Breastfeeding women can eat onions, but in moderation. Onion is a common vegetable, containing vitamins, folic acid, dietary fiber and a variety of minerals needed by the human body, breastfeeding women eat some onions can be supplemented for the body. However, onions should not be consumed in excess, so as not to cause gastrointestinal discomfort. During the breastfeeding period, we should pay attention to the nutritional balance of the diet, moderate supplementation of some protein and vitamin-rich foods, such as eggs, duck eggs, milk, soybeans, chicken, fish, beef, and fresh fruits and vegetables, etc., to promote the maternal body recovery. In addition, breastfeeding women should pay attention to the nutritional balance of the diet, coarse and fine grains, meat and vegetables with reasonable. For more information on diet and health, please consult a dietitian as well as a professional doctor.