As social pressure continues to increase, the incidence of Polycystic Ovary Syndrome (PCOS) has shown a significant rise, which has a serious impact on the lives of women of all ages. In recent years, the prevalence of PCOS has increased worldwide, and it is characterized by slow onset, long course of disease, and high difficulty to cure. At present, Western medicine is still the main treatment for PCOS, the main method is to supplement estrogen, in order to promote ovarian ovulation, adjust the menstrual cycle, and then restore the female reproductive function. In the clinical treatment of traditional Chinese medicine, polycystic ovary syndrome is mainly divided into three types, namely liver qi stagnation type, spleen deficiency and blood stasis type. In view of these three types of syndrome, the treatment principles of traditional Chinese medicine are soothing the liver and regulating qi, strengthening the spleen and dampness, and tonifying the kidney to remove blood stasis. Based on the treatment experience of doctors in the past dynasties, Bushen ovulation promoting decoction, Wentu Yulin Decoction, Bushen Jieyu Decoction and Yiqi Tang Hebaohe Pill have shown good therapeutic effects. This paper will discuss the etiology, pathology and clinical treatment strategy of PCOS from the perspective of traditional Chinese medicine, in order to provide new ideas and methods for the clinical treatment of PCOS.