The examination methods for polycystic ovary syndrome are as follows: 1. physical examination: such as routine gynecological examination, observe whether the distribution of vulvar pubic hair is male-patterned; 2. endocrine measurement: detect the six sex hormones, such as estrogen, androgen, folliculopoietin, luteinizing hormone, progesterone, most of the androgens are elevated in polycystic patients, and the ratio of luteinizing hormone and folliculopoietin is imbalanced, usually ≥2-3 3.B ultrasound: the ovaries show polycystic-like changes, that is, small follicles appear on one or both sides of the ovary, with ≥ 12 follicles of about 2-9 mm in diameter, called polycystic ovaries; 4.laparoscopy: it is an invasive examination, and the thickening of the ovarian envelope can be observed under direct view of the laparoscope, and the ovulation signs, the presence of mature follicles, corpus luteum and blood bodies can be understood; 5.scalpel: invasive examination; 6.adjuvant examination: anti-Mullerian duct Hormone is the most recent index to check ovarian function and is significantly elevated in most patients.