Wu Feng San Pill has the efficacy of dispersing wind, nourishing blood, clearing heat and removing dampness, and can treat diseases such as rubella and eczema. According to the record of “Surgical Zheng Zong”, Wu Feng San is mainly composed of Angelica sinensis, Radix et Rhizoma Dioscoreae, Cicada metamorphosis, Rhizoma Zhi Mu, Radix et Rhizoma Dioscoreae, Radix et Rhizoma Pinelliae, Radix et Rhizoma Pinelliae, Radix et Rhizoma Polygoni Multiflori, and has the efficacy of dispersing wind, nourishing the blood and removing heat and dampness. It can be used in the treatment of rubella and eczema, which is characterized by red, itchy skin rash, or cloudy spots all over the body, itching, and oozing of fluid after scratching, etc. It can also be used in the treatment of acute and emergency cases. Clinically, it can also be used in the treatment of acute and chronic urticaria, atopic dermatitis, neurodermatitis. During the period of taking Wu Feng San Pill, it is not advisable to eat spicy, fishy and cold food, so as not to affect the efficacy of the medicine. Chinese medicine should be taken by a Chinese medicine practitioner after diagnosis, and should not be used without authorization.