A medicament for treating chronic cholecystitis of the invention is characterized in that the medicament comprises the following raw materials by weight: 20-29 parts of equisetum pretense, 10-12 parts of alpinia katsumadai, 5-8 parts of jasminum giraldii diels, 10-12 parts of allium victorialis, 8-14 parts of vicia unijuga, 46-50 parts of radix bupleuri, 46-50 parts of angelica, 20-30 parts of white peony roots, 16-22 parts of Chinese mugwort leaves, 20-26 parts of garden burnet, 26-30 parts of rheum officinale, 21-26 parts of phellodendron, 31-40 parts of dandelion. The beneficial effect of the invention is that the medicament has good curative effect, quick effect, and convenient application, can prevent recurrence, is simple and low in price, can effectively dispel cold, regulate qi, strengthen stomach, promote digestion, improve choleresis, and clear toxins, has very good cholagogic, anti-inflammatory, antipyretic, analgesic and bacteriostatic actions, is convenient for storage, carrying and administration, has high curative effect, less taking amount, low toxic or side effect, controllable quality, and good stability, is a sugar-free traditional Chinese medicine composition, can be accepted by wide patients with diabetes, and thus has wide market prospects.