1. The diagnostic criteria for adolescence are different from those for childbearing age, and it is important to identify the population at risk (obesity, hirsutism, irregular menstruation) and to avoid over-diagnosis. The “hat” can not be deducted casually. 2, amenorrhea PCOS compared with sparse or still regular menstruation PCOS, the degree of Kaohsiung is heavy, the number of sinus follicles is high, and the metabolic risk is high. The mechanism is the same, but the degree of severity. 3. What determines high sugar, high blood pressure and high fat in PCOS aging is obesity, independent of menstrual cycle pattern and number of follicles. Ensuring metabolism and weight control has been a constant topic in PCOS treatment. 4, PCOS patients need to be adjusted and groomed from both psychological and behavioral aspects. -Self-correction is very important. 5, PCOS is a major risk factor for developing impaired glucose tolerance and type II diabetes, and patients face lifelong metabolic abnormalities with obesity as a worsening factor. Risk markers are already present and self-control must be adhered to the end. 6. Overall the benefits of oral contraceptives outweigh the risks for most patients with PCOS, but certain features associated with PCOS (obesity, insulin resistance, etc.) may be relative contraindications to oral contraceptives. Any treatment needs to be individualized, and Western medicine has evidence-based medicine, so constant evaluation of the pros and cons during treatment is the greatest protection for patients.