Abstract：This article is to summarize and introduce the clinical experience of Zhejiang HE's gynecology in the treatment of endometriosis-associated infertility. HE's gynecology believes that the etiology and pathogenesis of this disease is deficiency in the root and excess in the branch. The former is related to the spleen and kidney， and the latter to blood stasis and stagnation with deficiency-excess complex. The treatment features the following points：with periodic syndrome differentiation and treatment，the disease and syndrome are combined；with priorities of root and branch，the medicine is stopped to take as soon as possible after recovery；the focus on both yin and yang renders moderate cold and warmth；distinguishing the deficiency and excess is to consolidate and protect the acquired qi； internal and external treatment enhances the curative effect. The main characteristics of drug use are： simple and effective small prescription and couplet medicines；using insects in a flexible way make enhanced powder efficiency.