Polycystic refers to polycystic ovary syndrome (PCOS), which is one of the more common gynecological endocrine disorders, mainly manifested by scanty menstruation or amenorrhea, hyperandrogenism, infertility, hirsuteness, acne, obesity, etc. The main clinical manifestations are irregular menstruation, hyperandrogenism and obesity. Polycystic Ovary Syndrome (PCOS) usually starts in adolescence, and its main clinical manifestations are irregular menstruation, hyperandrogenism and obesity. 1. Irregular menstruation is the most important symptom of polycystic ovary syndrome, which may be manifested as scanty menstruation or amenorrhea, and some women may have irregular uterine bleeding, irregular menstrual cycle or menstrual period, and irregular menstrual flow. 2. Infertility, because of ovulation disorders, often causing female infertility. 3. Hairiness and acne, due to high androgen, there will be different degrees of hairiness, oily skin and acne are more common. 4. Obesity, most patients have obesity, and most of them are abdominal obesity type. 5. acanthosis nigricans, in the labia, neck or underarms, under the breasts, groin, etc., there may be gray-brown pigmentation. There is polycystic ovary syndrome, which will lead to uniform enlargement of the ovaries, and due to the long-term stimulation of the endometrium by estrogen, there will be different degrees of proliferative changes, and even lead to atypical hyperplasia, which may increase the probability of endometrial cancer.