The invention discloses a drug for curing cholecystitis, and belongs to the field of traditional Chinese medicine. The effective component of the drug is composed of following raw materials: halenia elliptica D.don, cow pea pod, hypecoum erectum, herba aconite, negundo chastetree fruit, stigma of corn, nauclea officinalis, dandelion, herpetospermum caudigerum, diploclisia affinis, leaf of Yunnan machilus, potentilla fulgens wall, spicate clerodendranthus herb, phlomis umbrosa, chicken's gizzard membrane and homonoia riparia lour. The drug has the functions of clearing heat, removing toxicity, resolving inflammation, excreting gall-bladder, and promoting Qi circulation to relieve pain, improves the immunity functions of human bodies through orally taking the drug, and has prominent curative effects on cholecystitis caused by various reasons. The drug has the advantages of quick effect, high cure rate, good tolerance, low cost, no side or toxic effects and difficult recurrence after cure.