Chronic urticaria belongs to the category of Chinese medicine addiction rash, clinically generally divided into gastrointestinal damp-heat type, blood deficiency, wind-dry type, traditional Chinese medicine need to be guided in the identification of the use of Fangfeng Tongsheng San, angelica drink and other traditional Chinese medicine treatment. 1. Gastrointestinal damp-heat type: the symptoms are large, reddish-colored, itchy, accompanied by fatigue (mental exhaustion, physical weakness), nausea and vomiting, loss of appetite, and pain in the epigastrium and abdomen. Fangfeng Tongsheng San is recommended to relieve wind and epidermis, and to relieve heat in the bowels (by passing stools to get rid of heat in the body). It is not suitable for patients with deficiency of spleen and stomach (spleen and stomach weakness and cold). 2. Blood deficiency and wind dryness type: symptoms are seen in recurrent episodes of the disease, accompanied by dry mouth, irritability, and fever in the hands and feet. It can be used to nourish blood, dispel wind, moisten dryness and stop itching. However, it should not be used by patients with cold and fever. Chronic urticaria patients avoid eating spicy food, avoid contact with sensitizing objects. Chronic urticaria patients in the use of traditional Chinese medicine before treatment, need to have a professional doctor’s identification of the guidance, can not be used blindly.