Polycystic ovary syndrome (PCOS) is a complex endocrine and metabolic abnormality commonly seen in women of reproductive age. The main clinical manifestations are irregular menstrual cycles, infertility, hirsutism or acne, and it is the most common endocrine disease in obstetrics and gynecology. As we all know, the biggest danger of polycystic ovary syndrome is that it causes excessive androgens in patients, which leads to failure to ovulate and subsequently causes infertility. Women with polycystic ovary syndrome should pay more attention to their diet. If they have a reasonable diet and medication, it is not difficult to get pregnant. Women must pay attention to adjusting the diet structure in their daily life to achieve balanced nutrition, avoid excessive accumulation of fat and adhere to a low salt, low value and low calorie diet to help their health. 1, avoid stimulating, spicy food, sweets and other foods that can easily cause blood sugar to rise and easily cause obesity, and consume as few carbohydrates as possible. High insulin resistance, will make patients with polycystic ovary syndrome fat accumulation, more difficult than others to lose weight, but do not blindly take oral diet pills, harming health; 2, eat more coarse grains, protein-rich food, for the supplementation of estrogen, maintenance of the uterus and ovaries has a very good effect; 3, supplement the trace elements related to liver function, appropriate supplementation of minerals and vitamin-rich food; 4, avoid mental High tension, avoid mental stimulation, maintain an optimistic mood and get enough sleep are also things that patients with polycystic ovary syndrome need to pay attention to.