The Formula Kitchen 方剂
银翘散 yín qiào sǎn
Honeysuckle and Forsythia Powder · from Wen Bing Tiao Bian, 1798
“The sore-throat formula in every Chinatown pharmacy. Written for epidemic fevers two centuries ago; bought today at the first scratch of a hot cold.”
— Lao Xinglin
What's in the pot
| Herb | Role | Classical amount |
|---|---|---|
| 金银花 jīn yín huā | Chief — honeysuckle: clears heat, relieves toxin | 30 g |
| 连翘 lián qiào | Chief — forsythia: clears heat, disperses lumps | 30 g |
| 桔梗 jié gěng | Deputy — opens the throat and lungs | 18 g |
| 牛蒡子 niú bàng zǐ | Deputy — burdock seed: benefits the throat | 18 g |
| 薄荷 bò he | Deputy — cool dispersal through the surface | 18 g |
| 淡豆豉 dàn dòu chǐ | Assistant — gently releases the exterior | 15 g |
| 荆芥穗 jīng jiè suì | Assistant — opens the surface without heat | 12 g |
| 淡竹叶 dàn zhú yè | Assistant — clears irritable heat, quiets thirst | 12 g |
| 芦根 lú gēn | Assistant — reed rhizome: generates fluids | 18 g |
| 生甘草 shēng gān cǎo | Envoy — soothes the throat, harmonizes | 15 g |
The pattern it treats
Most classical cold formulas fight chills; Yin Qiao San was written for heat. Born from the warm-disease school's work on epidemic fevers, it targets the first days of a wind-heat invasion: sore throat leading the parade, fever with little or no chill, headache, thirst, a cough just starting[1]. That onset — scratch, swallow, wince — is why teapills of this formula live behind every Chinese pharmacy counter and in most diaspora medicine cabinets.
How the team works
Honeysuckle and forsythia lead as a famous pair, clearing heat and "relieving toxin" at the gate; a chorus of light movers — bo he, burdock seed, schizonepeta, prepared soybean — keeps the surface open so heat vents instead of sinking; platycodon aims the formula at the throat; bamboo leaf and reed rhizome cool and re-moisten; raw licorice soothes where it hurts[1]. Brewed briefly and drunk often — a skirmisher's formula, not a siege engine.
What the research says
Yin Qiao San derivatives are among the most-consumed cold remedies on Earth, and trials exist across East Asia for early respiratory infections — small, heterogeneous, and short of the rigorous replication that would support claims here. What is well documented: starting it early is central to the traditional method[1].
Where to be careful
Wrong formula for a cold-type cold — chills, clear runny nose, no sore throat — and not a treatment for influenza, strep throat, or anything worsening: fevers that climb or throats that swell need real medical care, not more teapills. Watch combination products, which sometimes add Western drugs (acetaminophen among them) without prominent labeling — read the box.
References
- Scheid, Bensky, Ellis & Barolet, Chinese Herbal Medicine: Formulas & Strategies, 2nd ed., Eastland Press, 2009. ↩
Reviewed 2026-08-25