Polycystic ovary syndrome causes elevated blood sugar due to decreased insulin sensitivity of peripheral tissues. Polycystic ovary syndrome is mainly caused by endocrine disorders due to poor diet, stress, late nights and other bad lifestyle habits, and often manifests itself in symptoms such as hirsuteness, acne, menstrual abnormalities, obesity and infertility. Polycystic ovary syndrome is often accompanied by hyperinsulinemia, which tends to make insulin resistance occur as insulin sensitivity continues to decrease. Insulin is the only hormone that lowers blood glucose. If insulin is not elevated for a long period of time, there is no way for blood glucose to go down in a coordinated manner, and Polycystic Ovary Syndrome will further develop into type 2 diabetes. Therefore, polycystic ovary syndrome will affect the blood sugar elevation, it is recommended to go to the hospital as soon as possible to follow the doctor’s instructions for treatment.