Obese patients with polycystic ovary syndrome are no different from the general obese population in terms of weight loss, and the main principles are to eat less and move more. Specific as follows: 1, low sugar diet: such as staple food can eat more mixed grains, mixed beans, potatoes and whole grains, less rice, fried flour, porridge. In addition, should choose low sweetness and water fruits, do not eat too much sweet food; 2, high inositol diet: can significantly improve insulin resistance, such as legumes such as chickpeas, cereals such as buckwheat, fruits such as kiwi, oranges, vegetables such as broccoli, tomatoes, nuts such as batanas; 3, appropriate exercise: 3-5 times a week for a sustained 40 minutes of aerobic exercise, for Patients with weak will can choose their preferred form of exercise.