Dampness and toxicity is a Chinese medical term, which in modern medicine still refers mainly to eczema or pruritus of the skin, etc. The best treatment is a combination of internal and external medications, as well as a combination of Chinese and Western medicine, which often leads to better results. Generally the internal western medicine is mainly some antihistamine drugs, such as ebastine, loratadine, cetirizine hydrochloride, etc., and immunosuppressants can also be added in severe cases. In terms of external medication, it is mainly based on the type of lesions to choose the appropriate drugs, such as oozing more can do boric acid wet compress, dry can use glucocorticoid cream for treatment. At the same time can also be combined with traditional Chinese medicine, such as dampness clear capsule, dermatological blood poison pill, angelica bitter ginseng pill and other drugs that can eliminate dampness and detoxification, will they combine with Western medicine treatment, often better results.