Polycystic ovary syndrome (PCOS) is a common gynecologic endocrine disorder, the etiology of which is still unclear. The pathogenesis of this disease is complex, but now it is mainly thought to be related to hyperinsulinemia and insulin resistance.PCOS is most commonly seen in women of childbearing age 20-40 years, and up to 20% of the infertile population. The typical manifestations of PCOS are: 1. menstrual disorders, mostly secondary amenorrhea or scanty menstruation. 2. 2. Anovulatory infertility. 3. Hirsutism (seen on the upper lip, midline, forearms, and lower legs) may be seen in about 60% of patients. 4. Some patients can also see acanthosis nigricans-like changes at the back of the neck, under the armpits, and groin; acne can appear on the face and lower abdomen. 5, the majority of women are obese, mostly abdominal type central obesity. Gynecological examination, palpation can reveal bilateral ovaries larger than normal, tougher and more tense. Laboratory examination: androgen levels are increased, hyperandrogenemia; luteinizing hormone (LH) is increased; follicle stimulating hormone (FSH) is low; LH/FSH is greater than 2.5-3.0; some patients may also have abnormal glucose metabolism, mostly seen as hypoglycemic tolerance and insulin resistance, belonging to the pre-diabetic stage. ultrasound shows bilateral ovaries or one ovary enlarged, with at least 12 or 12 or more 2-8 mm diameter follicles, mainly in the peripheral ovarian cortex (necklace sign) with enlarged interstitium or follicles distributed in a honeycomb pattern: endometrial hypertrophy. The search for an effective treatment is the ultimate goal of current research in PCOS. In terms of clinical pharmacological treatment, the main focus is on the adjustment of endocrine disorders and ovulation-promoting drugs after normalization. Reducing body weight is the basic principle of PCOS treatment, and proper diet control and strengthening exercise are important measures for weight reduction. After regular treatment, the recent establishment of ovulatory menstrual cycle, restore fertility, improve reproductive function, correct glucose metabolism disorders, eliminate hirsutism, acne and other clinical symptoms; long-term can reduce or delay the occurrence of metabolic diseases caused by metabolic disorders.