The symptoms of gaining weight before menstruation are due to the increased secretion of estrogen in the body, causing water and sodium retention, which is a normal physiological phenomenon and there is no need to worry too much. During menstruation, due to changes in hormone secretion and loss of menstrual blood, it is easy to have weakness and reduced immunity. It is recommended to pay attention to rest, avoid straining and staying up late, minimize excessive physical labor, and eat a balanced diet, strengthen nutrition, eat light, easy to digest, vitamin-rich and protein-rich food, especially iron-rich food. For example, red dates, cinnamon, pork liver, spinach, etc., to help the body’s health and avoid symptoms such as anemia.