This site is small on purpose. It is not a medical guide, and it carries no purchase links, affiliate relationships, or recommendations. It exists for one simple reason: when I was looking for help, I could not find a calm, honest place to read about the centuries-old formulas of Chinese patent medicine. So I started building one.
What is
中成药 (Zhong Cheng Yao)
中成药 (Zhong Cheng Yao) are factory-made traditional Chinese patent medicines: standardized herbal formulas based on classical recipes, combining several botanical, mineral, or animal-derived ingredients into shelf-stable forms such as pills, powders, and syrups. They are part of China's living medical tradition. This encyclopedia documents them as cultural and historical objects, not as prescriptions.
The beginning (2008)
In 2008, the creator began struggling with insomnia and vertigo. He went through almost every examination Western medicine could offer (blood work, imaging, neurology), yet nothing turned up. On paper, everything looked healthy. But the insomnia was very real, and deeply distressing.
Western medicine
Western medicine had nothing targeted to offer, only sleeping pills. They worked at first, but the dose kept creeping up, and the sleep kept getting worse.
Traditional Chinese Medicine
About six months in, the search turned to TCM. The honest truth is that TCM's biggest problem is "cure rate". Not every formula works for every person. The first doctor I saw was a paradox: both my misfortune and my luck. His prescription worked beautifully, but he passed away just one week into treatment, and I had to find someone else. Every doctor I tried after that produced disappointing results.
A long illness makes a patient into a doctor
I gradually discovered that there are many traditional Chinese patent medicines (中成药) with several centuries of continuous use behind them. They are mild, widely available, and made mostly from ingredients we already eat in everyday life. With a "let's try" attitude, I started exploring them on my own.
The catch: there are so many of them, with overlapping and sometimes contradictory claims, and very little honest, systematic introduction.
Why this site exists
That gap is what this site tries to fill. It is not a medical guide, and it carries no purchase links or affiliate relationships. It is a small, hand-curated companion for people like me (people whose lab results say "healthy" but who can clearly feel that something is off), and for anyone who, cautiously and carefully, wants to learn more about the centuries-old formulas of Chinese patent medicine before deciding whether to try one.
I hope it helps you take a few detours less than I had to.
Continue exploring
If you would like to wander the catalog, every entry explains what a formula is, where it comes from, and how it is traditionally discussed, never whether you should take it.
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