The invention relates to a traditional Chinese medicine used for treating arthromeningitis. The traditional Chinese medicine comprises the following raw components by weight part: 10-25 parts of radix angelicae, 10-25 parts of semen coicis, 10-25 parts of gorgon fruit, 10-25 parts of pollen typhae, 10-25 parts of rhizoma atractylodis, 10-25 parts of poria cocos, 10-25 parts of cortex dictamni, 10-25 parts of lygodium japonicum, 10-25 parts of Chinese yam, 10-25 parts of rhizoma alismatis, 10-25 parts of cortex lycii radicis, 10-25 parts of fructus cnidii, 10-25 parts of radix stephaniae tetrandrae, 10-25 parts of sevenlobed yam rhizome, 10-25 parts of astragalus mongholicus, 10-25 parts of codonopsis pilosula and 10-25 parts of fructus kochiae. The traditional Chinese medicine used for treating arthromeningitis comprehensively regulates the immune function of an organism, improves the microcirculation disturbance, strengthens the spleen, dispels the coldness, dispels the wind, removes pain of numbness, clears damp and promotes diuresis, relieves swelling and pain, integrates with various medicines for use and treats both manifestation and root cause of diseases, so that the movement function of the joint of a patient can be recovered, the medicine efficacy can directly reach the focus by local fumigation and hot compressing, and a good treatment effect is realized. The traditional Chinese medicine has the characteristics of definite curative effect, low side or toxic effect, convenience in use and low cost when used for treating the arthromeningitis.