Night Emissions Too Frequent, Face Burning Hot While Hands and Feet Stay Cold, and No Sleep: Doctor Miao Xiyong Treats Nocturnal Emission with Huang Bai (Phellodendron) as the Chief Herb, Clearing Both Deficiency Fire and Excess Fire

Searched by patients: nocturnal emission too frequent / wet dreams / emitting once every few days / face hot after an attack / hands and feet ice cold / can’t sleep all night / insomnia after nocturnal emission Medical terms for this case: nocturnal emission · frequent seminal emission · yin deficiency with blazing fire · the gate of essence failing to hold firm · deficiency fire and excess fire appearing together

The opening: this famous doctor looked like Li Kui or Lu Zhishen, yet examined patients with astonishing care

In the Ming dynasty there lived a famous physician named Doctor Miao Xiyong, courtesy name Zhongchun, a native of Changshu in Jiangsu. He looked like a swashbuckling knight-errant — a big bushy beard, an enormous voice; the moment he opened his mouth the walls seemed to shake, a figure rather like Li Kui or Lu Zhishen from the classic novels. Yet this rough, burly man was extraordinarily meticulous in his clinical work — a textbook example of “bold in judgment, fine in observation” (dan da xin xi). He was on very close terms with the Donglin faction of his day, and Gao Panlong, one of the founders of the Donglin Academy, was a good friend of his.

💬 Note from Doctor Luo: Doctor Miao Xiyong was a famous physician of the late Ming, author of Xian Xing Zhai Medical Notes (《先醒斋医学广笔记》) and Shen Nong Ben Cao Jing Shu (Commentary on the Divine Farmer’s Classic of Materia Medica), and a frequent companion of the Donglin literary circle. He was a fascinating man: huge and rough-looking, yet finer in his observations than anyone. Today’s case happened to one of his scholar friends. Before we begin, a word for families with children listening: you may want to send the little ones out of the room for this one — it is about an adult’s illness.

Who is the patient? A scholar grinding away at the imperial examinations, reading until his heart-blood was drained

The patient was Zhao Jingzhi, who would later rise to the rank of Grand Historian (taishi, a Hanlin Academy official) — but in those days he was still preparing for the examinations, sitting exam after exam, single-mindedly chasing a degree and an official career. He read too fiercely, worked himself too hard, and wore out his heart-blood (xin xue) in the process. That was how his illness began.

💬 Note from Doctor Luo: The examination candidates of ancient China really did risk everything — ten years of cold windows and bitter study, reading day and night. Excessive brooding and mental strain drain the heart-blood most of all. That is why scholars tend to fall ill with two kinds of disorders: one is spleen-stomach deficiency, the other is heart-kidney depletion. Zhao Jingzhi had the second kind.

How bad was it? Night emissions for three or four years, an attack every few days, waking with a start from every dream

What was Zhao Jingzhi’s illness? Nocturnal emission (meng yi) — seminal emission during sleep, usually with an erotic dream. Doctor Luo Dalun first explained the background: when a healthy man’s qi and blood are ample and his essence is full, the semen fills up and may occasionally come out on its own during a dream — that is not illness, it is normal physiology. But when it becomes too frequent — an attack every few days, again and again — and the man wakes with a start the moment a dream begins, then it has become a disease. The essence was never allowed to fill up; the reserves a man should be accumulating were being spent before they were complete, and the body was being drained.

Zhao Jingzhi had suffered this for three or four years already. This was no small matter — not something that had started in the past few days, but a pattern continuing for three or four years. For a scholar, this directly undermined his studies.

Even more devastating were the symptoms after each attack: deficiency fire flaring upward (xu huo shang yan) — after the emission the fire rose, the head and face felt hot and flushed, the cheeks burning; yet while the head and face were hot, the hands and feet stayed cold (counterflow cold of the limbs, shou zu ni leng); and then sleeplessness the whole night through (zhong ye bu mei) — he could not sleep at all, total insomnia.

💬 Note from Doctor Luo: Notice this combination of symptoms — hot head and face, cold hands and feet, unable to sleep. In Chinese medicine this means a great deal: when kidney essence is depleted, deficiency fire drifts upward, so the head and face burn; yang qi cannot reach the ends of the limbs, so the hands and feet turn cold; and when heart and kidney fail to communicate (xin shen bu jiao), the spirit is unsettled, so the night is sleepless. When these three appear together, the illness has already wounded the very root — and the patient suffers terribly.

The previous doctors: tonify the heart and kidney, astringe the essence — all of it tried, none of it worked

Of course he consulted physicians. How did the earlier doctors treat him? Since emission implies deficiency, they tonified the heart and kidney; since essence was leaking out, they used astringent herbs. All manner of heart-kidney tonics and essence-stabilizing, astringent medicines — every one of them was tried. And the result? Not the slightest effect.

💬 Note from Doctor Luo: This is almost the fixed script of such cases — the moment a doctor hears “nocturnal emission,” the reflex is to tonify the kidney and astringe the essence. But here is the question: tonify they did, astringe they did — so why had the illness not improved in three or four years? It means there was something they had failed to see. A true master is someone who can see the layer that everyone else misses.

The turning point: that spring, a cold delivered him to Doctor Miao Xiyong’s clinic

That spring, Zhao Jingzhi happened to catch a cold and came to Doctor Miao Xiyong for treatment. After the cold was dealt with, Zhao Jingzhi brought up his old complaint: “Master Zhongchun, I have another illness that has tormented me for three or four years — could you take a look?” Doctor Miao Xiyong listened, and said: “Easy to treat. I will cure it for you.”

💬 Note from Doctor Luo: Doctor Miao Xiyong cured a great many of these male-pattern disorders with ease. The words sound casual, but real mastery lay behind them — he had already seen what the other doctors had not.

Breaking down the formula: one herb, huang bai, leads the list at the largest dose, followed by a train of tonics

Doctor Miao Xiyong wrote a formula and made it into pills. The most distinctive thing about it: huang bai (Phellodendron bark) was the sovereign herb (jun yao) — the first herb on the list, at the largest dose.

What does huang bai do? It clears heat — the heat in the kidney channel. The rest of the herbs are familiar to most readers:

• Di huang (Rehmannia root) — tonifies kidney essence. With such frequent loss, of course Rehmannia is needed to restore it;
• Gou qi (wolfberry fruit) — tonifies the essence of liver and kidney; it appears in Qi Ju Di Huang Wan, the classic wolfberry-chrysanthemum-Rehmannia pill;
• Lian xu (lotus stamen) — the stamens of the lotus flower. Every part of the lotus is useful — like bamboo, nothing goes to waste. Lian xu enters the heart and kidney channels: in the heart channel it clears heart fire and calms the mind, in the kidney channel it tonifies the kidney — hence its astringent action. It is effective for nocturnal emission, premature ejaculation, leukorrhea in women, and frequent urination; it also stops bleeding caused by deficiency fire or heart fire. It is one of the most commonly used herbs in Chinese medicine;
• Shan zhu yu (cornus fruit) — sour flavor enters the liver and astringes the liver channel; its red color enters the heart. It tonifies the yin of heart and liver and astringes the essence of heart and liver;
• Wu wei zi (schisandra berry) — astringent, tonifies the qi of all five organs; another sour, astringing herb;
• Che qian zi (plantago seed) — drains fire downward, guiding it out through the urine — when the head is hot and flushed, a little “range hood” to draw the heat down;
• Tian men dong (asparagus root) and mai men dong (ophiopogon root) — both nourish yin. When deficiency fire is up above, one must enrich yin;
• Yu biao jiao (fish maw glue) — tonifies the kidney, benefits essence, astringes and stabilizes the essence — and it deserves a section of its own later.

💬 Note from Doctor Luo: This combination is fascinating: huang bai leads, clearing excess fire; tian dong, mai dong and di huang enrich yin and clear deficiency fire; lian xu, shan zhu yu and wu wei zi are sour and astringent, holding the essence; che qian zi guides fire downward; yu biao jiao supplements and astringes the essence — deficiency fire and excess fire are cleared together, and the treatment simultaneously clears, tonifies, and astringes, every link interlocked. Why did Doctor Miao Xiyong structure it this way? Behind it lies an entire grand theory, which we will come to shortly.

The setback: the patient balked — isn’t huang bai too cold? Won’t it damage my yang qi?

The formula was written, but Zhao Jingzhi hesitated. The scholars of old all knew a little medicine, and looking at the list he said: your leading herb, huang bai, is bitter and cold (ku han) — and at the largest dose. Can that really work? Won’t such a cold medicine damage my yang qi? — Which shows that in that era, the fear of “damaging yang qi” was already widespread.

Doctor Miao Xiyong was in no hurry. He explained the reasoning. He said: your illness has failed to resolve for so long — look, did the earlier doctors use kidney tonics? Yes. Heart-nourishing, heart-tonifying herbs? Yes, those too. Astringents to hold the essence? Yes. And did any of it work? Truly not. Why has it refused to heal? — Because none of them used huang bai.

Why? The Huang Di Nei Jing (Yellow Emperor’s Classic of Internal Medicine) sets out the theory of the five organs’ desires, tonification and purgation (wu zang ku yu bu xie), and in the passage on the kidney it says: “The kidney desires firmness; urgently give it bitter flavor to make it firm. Use bitter flavor to tonify it, and salty flavor to purge it.”

What does “the kidney desires firmness” mean? The kidney must seal the kidney essence firmly and tightly — the sealing must be extremely solid and airtight. Then why does it fail to hold? On the one hand, genuine deficiency — when deficiency sets in, the restraining power weakens. On the other hand, there is heat — deficiency fire and excess fire inside, heart fire for instance. Heat wounds yin; when yin is damaged, kidney essence is insufficient, and the sealing naturally fails. What to do in that case? Use bitter herbs to clear away the deficiency fire and the excess fire. Once the fire is gone, the fluids and kidney essence are preserved, and the kidney can firmly seal the essence again.

💬 Note from Doctor Luo: Notice this: in his day, when Doctor Li Dongyuan (Li Gao) treated kidney disorders — including some male-pattern problems — his formulas were usually rounded out with zhi mu and huang bai. That is precisely the clinical application of “the kidney desires firmness; urgently give it bitter flavor to make it firm.” The theories of the Nei Jing were themselves distilled from clinical practice. Once the kidney is made firm, even if the heart channel carries fire, the kidney essence still holds — I control the fire, and no matter how fiercely your heart fire blazes, it can no longer wound the kidney essence. Previously everyone knew only how to tonify, not how to clear fire — which is why nothing worked.

Before the first batch of pills was even finished, the illness was cured

Zhao Jingzhi heard this and thought: this really does make sense! Then I will take it. And what happened? The medicine was not even finished — the first batch of pills had not been consumed when the illness was cured (in the original text: bu zhong ji er yu — “cured before the batch was completed”).

💬 Note from Doctor Luo: Where was Doctor Miao Xiyong’s brilliance? Everyone else had failed to think of clearing excess fire — they all went for tonifying the heart and kidney, nourishing kidney yin, clearing deficiency heat. But this patient read and examined every day, fretted and strained his spirit — his liver fire was raging and pulling heart fire along with it, and that is excess fire; while his kidney yin was insufficient and deficiency fire flared upward — that is deficiency fire. Doctor Miao Xiyong promoted huang bai to the sovereign position at a heavy dose and cleared both fires at once, attacking on two fronts — and the root of the disease was pulled out. This reminds us: when treating illness, never look at only one dimension; understand the patient’s background. Would you simply say this man is yin deficient? He was on fire — sitting the examinations, events piling up daily — you must consider that excess fire may be present.

Bonus one: yu biao jiao — the treasure Cantonese cooks put in their soup

One herb in this formula deserves a section of its own — yu biao jiao (fish maw glue), the glue made from fish maw (the swim bladder), which Cantonese speakers know as hua jiao (“flower maw”).

The swim bladders of ordinary fish are all usable and all work well. The finest grades are made from large yellow croaker, small yellow croaker, Chinese sturgeon, yellow croaker and similar fish — truly excellent stuff. Cantonese cooks are especially good with it — when they say “hua jiao,” many people unfamiliar with the term assume it means the peppercorn used in cooking, but it is actually fish maw glue. In Guangdong it is sold everywhere, and some households collect premium hua jiao as a prized possession. Simmered into soups until thick and gelatinous, many people once had no idea what it was for — now that more people cook with it, they know it is a treasure.

How does Chinese medicine regard it? It tonifies the kidney, benefits essence, and nourishes the channels and vessels, and it also stops bleeding, disperses stasis, reduces swelling, and astringes. For slippery emission and nocturnal emission due to kidney deficiency it works especially well — because it is sticky and gelatinous, it can “hold things in.”

💬 Note from Doctor Luo: Doctor Miao Xiyong was particularly skilled with yu biao jiao. He once treated a patient named Wang Guanshou (from Loudong). How severe was his emission? He could not bear the slightest stimulation — the mere sound of a woman’s voice made him emit immediately (the ancient records are very detailed: “the sound of a lady’s voice alone caused him to discharge”). Like the old rich man in classic films who loses control at the sound of a female voice — he was already depleted to the extreme, unable to receive even a trace of information from the opposite sex. This Mr. Wang had grown frighteningly thin, seemed near death, and no other physician could help him. Doctor Miao Xiyong’s disciple treated him first: yuan zhi (polygala root) as the sovereign herb, paired with shi lian zi (lotus seeds that have lain in mud for years, turned black and hard — astringent, heart-clearing, spleen-tonifying, and anti-diarrheal), long chi (dragon bone) and fu shen (poria with host wood) to settle the spirit, and mu li (oyster shell) to astringe — all made into pills. It worked, but it never quite got to the root. At a loss, the disciple asked his teacher. Doctor Miao Xiyong looked at it and said: add yu biao jiao to the formula! The medicine was not even finished when the patient was cured. And so, in treating male-pattern disorders, yu biao jiao was Doctor Miao Xiyong’s specialty — it both astringes and gently tonifies, one herb doing double duty.

Bonus two: the five organs’ desires, tonification and purgation — the prescribing code hidden in the Nei Jing

The principle Doctor Miao Xiyong cited — “the kidney desires firmness; urgently give it bitter flavor to make it firm” — comes from the Nei Jing’s five organs’ desires, tonification and purgation (wu zang ku yu bu xie) theory. This theory summarizes each of the five organs’ individual “temperaments” and the corresponding flavors, and Doctor Luo Dalun explained it in full:

• The liver desires dispersion; urgently give it pungent flavor to disperse it. Use pungent flavor to tonify it, and sour flavor to purge it — liver qi needs to spread out; pungent, dispersing flavors help it do so; sour, astringing flavor is what purges the liver. That said, modern people’s liver fire is too strong, so in practice we often use sour, astringent herbs to restrain and soften the liver — but remember, if the sour astringency goes too far, it likewise “purges the liver”;
• The heart desires softness; urgently give it salty flavor to soften it. Use salty flavor to tonify it, and sweet flavor to purge it — the heart likes to be soft; saltiness softens hardness and enters the heart;
• The spleen desires relaxation; urgently give it sweet flavor to relax it. Use bitter flavor to purge it, and sweet flavor to tonify it — the spleen likes calm and relaxation; sweet flavor tonifies the spleen, bitter flavor purges it;
• The lung desires astringency; urgently give it sour flavor to astringe it. Use sour flavor to tonify it, and pungent flavor to purge it — lung qi needs to be gathered and astringed, so use sour flavor; when lung qi needs to spread and disperse, use pungent flavor to scatter it — “purging” here is simply the opposite action to “tonifying”;
• The kidney desires firmness; urgently give it bitter flavor to make it firm. Use bitter flavor to tonify it, and salty flavor to purge it — the kidney needs firm sealing, so bitter flavor firms it, while salty flavor purges it.

💬 Note from Doctor Luo: A final word on “salty flavor purges it.” We often say saltiness enters the kidney, and adding a slightly salty herb can guide the formula into the kidney — that is true; but too much saltiness actually drains the kidney — because saltiness softens hardness, it dissolves the “firmness,” and the kidney is thereby purged. So excessive salty flavor does considerable harm to the kidney. The ancients set all of these principles out plainly in the Nei Jing long ago. Physicians of later generations differ somewhat in their readings of the five organs’ desires, tonification and purgation, and the debate continues — but this single principle, “the kidney desires firmness,” has solid, practical application in male-pattern disorders: Li Dongyuan used zhi mu and huang bai, Doctor Miao Xiyong made huang bai the sovereign herb — both followed exactly this line of thought.

Bonus three: how to tell deficiency fire from excess fire? Look at the tongue

Finally, Doctor Luo Dalun raised Doctor Miao Xiyong’s case to the level of clinical method:

• Tongue red, without coating — pure yin deficiency with heat; easy to recognize — nourish yin and clear deficiency heat, and you are done;
• Yellow tongue coating with an “older” tongue body (firmer, more substantial) — excess fire;
• Tender, delicate red tongue body — deficiency heat;
• But sometimes the two are mixed: a red, uncoated tongue points to yin deficiency with heat, yet the patient genuinely is “on fire,” heart fire smoldering inside — in that case adding a modest amount of fire-clearing herb actually helps clear the deficiency fire as well.

💬 Note from Doctor Luo: Deficiency fire and excess fire — even veteran practitioners cannot always tell them apart at a glance, which is why sometimes the two must be treated together. Textbooks say disease follows the textbook; it does not. Where was Doctor Miao Xiyong better than others? He judged that this patient had both, and so attacked on both fronts — and the medicine cured him before the batch ran out. A man who looked like a knight-errant, whose voice made the walls ring, yet who examined illness down to the marrow — that is the true master of diagnosis, bold in judgment and fine in observation, and it is exactly what we should learn from him.

Compiled from Doctor Luo Dalun’s commentary on Doctor Miao Xiyong’s case, originally recorded in Xian Xing Zhai Medical Notes (《先醒斋医学广笔记》, Ming dynasty, by Doctor Miao Xiyong).