1. Pre-treatment before pregnancy: It can improve fertility, reduce pregnancy complications and improve pregnancy outcome. (1) Basic treatment: adjusting lifestyle, reducing stress and weight, and regulating body weight are the most economical and effective treatment measures. If obese people are serious about effective weight loss, they can mostly improve menstruation, reduce hyperandrogenic symptoms, and facilitate pregnancy. (2) Treatment of hyperandrogenemia: Daying 35 is preferred, which can effectively reduce androgens in the body and thereafter increase the sensitivity to ovulation-promoting drugs. It is usually taken for 3 to 6 cycles. Mafron can also be taken for treatment. (3) Treatment of insulin resistance: Gevalt (metformin) can improve insulin resistance and hyperandrogenemia. 2.Ovulation treatment: After the above treatment and pretreatment, adjusting and improving the endocrine status of the body, ovulation-promoting drugs can be tried under the guidance of doctors to monitor follicle development and guide sexual life to promote pregnancy. 3.Surgical treatment: laparoscopic ovarian perforation: not as the first choice. It is suitable for those who have failed in medication or have other indications for surgery at the same time. 4.Assisted reproductive technology: For a small number of PCOS patients who are insensitive or resistant to ovulatory drugs, IVF (in vitro fertilization-embryo transfer) is recommended if the above-mentioned standard treatments are really ineffective.