Yishi Shugan decoction is an effective prescription for optic atrophy, which is based on the treatment of optic nerve atrophy for many years. It is composed of pure traditional Chinese medicine, treated according to syndrome differentiation, symptomatic for one person and one prescription for each patient, and combined with effective prescription proved by a large number of clinical experience. Yishi Shugan decoction is based on the syndrome differentiation theory of traditional Chinese medicine that "treating the external must treat the internal, treating the internal must treat its root", and then the whole body of the patient is recuperated and repaired, regulating the balance of various organs in the body, so as to nourish blood and soothe the liver, regulate qi to relieve depression, replenish qi to consolidate the surface, and remove pathogenic factors Then, it has achieved the effect of removing the surface and strengthening the root.