Chest Tightness, Coughing With Rib Pain That Just Won’t Stop? Doctor Zhang Xichun’s Case of Sinking of the Great Qi (Shengxian Tang) — Hungry Labor Drains the Chest Qi
Patient search words: chest tightness / feeling stuffed in the chest / chest oppression / coughing / rib pain when coughing / trembling voice / qi that won’t come up
Corresponding medical terms: sinking of the great qi (da qi xia xian) · sinking of the chest qi · sinking of the middle qi
The opening: even Doctor Zhang Xichun had to figure this disease out the hard way
💬 Note from Doctor Luo: Doctor Zhang Xichun did not discover sinking of the great qi all at once — he arrived at it through many twists and turns, through constant trial and error. Today’s case nearly got misdiagnosed.
The hero of today’s story is young — twenty-four years old, a young man who worked the farmland for a living.
Who was the patient? A young man who always felt tight in the chest
What were his symptoms? He always felt oppression and fullness in the chest — in plain words, chest tightness, a constant feeling of being stuffed and unable to breathe freely; he coughed day and night, always coughing; and whenever he coughed, the pain under his ribs was fierce.
💬 Note from Doctor Luo: Where are the two flanks (the ribs)? They are the sides of the body, just under the ribcage and a little further out. Chest tightness together with rib-side pain easily makes you think of constrained liver qi — the liver channel runs right through the two flanks, and people with constrained liver qi often have chest tightness and rib-side pain. It is a very common line of reasoning.
Doctor Zhang Xichun’s first visit: it looked like constrained liver qi
When Doctor Zhang Xichun took the pulse: the pulse was fairly calm, nothing major wrong on the surface; but pressed deeply it felt stringlike, thin and weak — like a lute string that cannot be stretched taut, no strength in it.
Doctor Zhang Xichun reasoned: he has rib-side pain, and chest tightness on top of it — it seems like the qi aspect is not flowing, qi is constrained — constrained liver qi. What to do? Give some qi-regulating herbs. But Doctor Zhang Xichun kept one detail in mind: the pulse was on the weak side, the upright qi was a little insufficient, so he added a bit of huang qi (astragalus) to shore up the formula.
💬 Note from Doctor Luo: Notice this detail — a weak pulse means insufficient upright qi, so Doctor Zhang Xichun added astragalus underneath the qi-regulating herbs as a safety net. A great physician never prescribes with a single-track mind.
The result: after the medicine, the illness got worse
After taking the herbs, the cough and the chest oppression not only failed to improve — they suddenly turned much worse, growing steadily more severe, and a new symptom appeared — his voice trembled when he spoke.
💬 Note from Doctor Luo: What does a trembling voice mean? It means when you speak, your qi is insufficient, so the voice shakes and trembles. This is a classic sign of insufficient upright qi — the qi can no longer be held up.
Asking the cause in detail: one crucial detail came out
Doctor Zhang Xichun was ashamed: one prescription of his had not only failed, the condition had changed — it meant he had not diagnosed accurately. What to do? Ask the cause in painstaking detail — how did your cough start? When did the rib pain begin?
And the answer came out: all the work in this household was done by this man — he worked the fields. Because he had caught a cold, he had no appetite and couldn’t eat, so he went out to the fields hungry and worked the land — and that was how he got this illness.
💬 Note from Doctor Luo: Doctor Zhang Xichun named the origin of the disease — sinking of the great qi. For many people, it is precisely hungry labor that brings it on. You are spending qi; when you spend it hard enough, the body begins to consume its own upright qi. When the great qi is consumed too much, it sinks. Working hungry — especially suddenly doing heavy physical labor on an empty stomach — is extremely damaging.
A modern version: the elderly woman who carried sweet potatoes upstairs on an empty stomach
Doctor Luo once told a story from his own practice: an elderly woman with a bad heart went to the hospital, and the doctors all took the blood-activating, stasis-resolving approach — infusions of danshen (Salvia miltiorrhiza) injection and the like — but nothing helped.
Later Doctor Luo asked her: how did this illness actually come on? The woman said, one morning she went out for exercise — she went out in the morning without eating — and on the way home she saw a roadside stall selling sweet potatoes. At that time “eating sweet potatoes for health” was a popular fad (a Taiwanese expert had been promoting it). The old lady had just watched that TV program, saw the sweet potatoes were cheap, and bought a big bag. She had to carry that big heavy bag of sweet potatoes up to a very high floor — carrying a heavy load upstairs on an empty stomach. By the time she reached her floor, her chest was tight and she could not get her breath up.
💬 Note from Doctor Luo: The moment I heard this, I said: this is exactly the sinking of the great qi that Doctor Zhang Xichun described! Treated with Doctor Zhang’s approach, she recovered quickly. So sinking of the great qi really exists in our daily lives.
Today’s white-collar workers are the same
So many people live like this now: office workers skip breakfast, and when they are late for work they run all the way to the office; when they get there, they happen to be moving things — the shipment just arrived and everyone joins in carrying boxes. What is this? Consuming upright qi. At such moments you easily exhaust your great qi, and the great qi sinks — problems follow.
💬 Note from Doctor Luo: What does sinking of the great qi look like? For example, diarrhea, all kinds of “the qi won’t come up” feelings, always weak in the four limbs, limp and sore — that is what it is like when the great qi has sunk. Very, very many people nowadays do not eat properly, and this condition is extremely common.
Diagnosis: sinking of the great qi — four doses of Shengxian Tang
The cause was now found — it was from working the fields hungry. This was sinking of the great qi! The earlier qi-regulating herbs had not been accepted (the direction was wrong); now the diagnosis of sinking of the great qi was beyond doubt. Doctor Zhang Xichun immediately gave Shengxian Tang (Ascending the Sunken Qi Decoction), four doses: a large amount of huang qi (astragalus), plus zhi mu (anemarrhena), and some chai hu (bupleurum) and sheng ma (bugbane rhizome).
After taking it, the patient’s illness was cured.
💬 Note from Doctor Luo: Shengxian Tang is Doctor Zhang Xichun’s famous formula for sinking of the great qi — raw huang qi greatly replenishes the great qi of the chest; zhi mu is cool and moistening, keeping in check the warming nature of huang qi; chai hu and sheng ma (the original formula also includes jie geng, platycodon) lift the qi upward. The logic is perfectly clear: first recognize the mechanism precisely, then use the right direction — four doses and it was cured.
Doctor Zhang Xichun’s candor: “the wrong road was not traveled far”
Looking back, Doctor Zhang Xichun summed it up: this disease is genuinely hard to recognize. At the first visit he had not asked the details carefully; he assumed chest tightness and rib-side pain meant constrained liver qi, and the prescription was off by a hair. Fortunately “the wrong road was not traveled far” — he had not made a serious error, he woke up to the truth at once, and the illness was cured.
💬 Note from Doctor Luo: What does this remind us of? From this we see that a clinician must never boast about himself or inflate himself, thinking his diagnosis is brilliant and that he sees everything — because then you stop asking your patients for details, and how can that ever work? In our practice of Chinese medicine today, do not go in, ask two questions, feel the pulse, and say “all right, no need to say more, here is your prescription” — no! You must ask the illness out in careful detail. Some conditions can only be discovered by probing little by little. Doctor Zhang Xichun, a physician of the first rank, honestly wrote down the mistake he made at the time — this is something every one of us can learn from.
What to take away: working hungry is what drains the great qi most
💬 Note from Doctor Luo: What do we learn from today’s story? First, sinking of the great qi can sometimes present as chest tightness, and rib-side pain can also be present. Second, and more important — one of the main ways sinking of the great qi comes about is doing heavy, exhausting work after an empty stomach, consuming your own upright qi until the great qi is drained, losing its strength, and being dragged downward — that is sinking of the great qi. We should reflect on our own lives: is there anything in them that could cause the great qi to sink? If there is, remove it quickly. My view: never sacrifice your health for work performance — get up when it is time to get up, eat when it is time to eat. Do not skip meals because working hours have arrived; do not stand hungry at a client’s door waiting because a meeting has not ended and skip lunch — the harm this does to your own body is very great.
The original case is from Doctor Zhang Xichun’s Records of Chinese Medicine with Reference to Western Medicine (《医学衷中参西录》); the commentary is compiled from the public lectures of Doctor Luo Dalun (PhD in TCM Diagnostics, Beijing University of Chinese Medicine).