Polycystic is polycystic ovary syndrome, and polycystic ovary syndrome is associated with endometrial cancer. Polycystic ovary syndrome may increase the chances of endometrial cancer. Polycystic ovary syndrome will lead to symptoms such as scanty ovulation, anovulation, abnormal menstruation, etc. It will also cause a decrease in the level of progesterone. Prolonged scanty ovulation, anovulation, and decreased progesterone will lead to endometrial hyperplasia, and prolonged monoestrogenic effect will lead to the endometrial lining not being able to be protected, which may increase the incidence rate of endometrial cancer. Patients with polycystic ovary syndrome are advised to actively cooperate with their doctors in treatment, choose the appropriate treatment plan under the doctor’s guidance, and go to the hospital for regular follow-up. If abnormal vaginal discharge, abdominal pain, anemia and other symptoms occur, they need to go to the hospital immediately.