Excessive bleeding will cause blood loss anemia, in the diet should eat more high-protein, high-nutrition, iron rich food to replenish blood. Blood loss will cause the body to lose iron, iron is an important element in the synthesis of hemoglobin. Appropriately increase the intake of iron-containing elements, such as pig red, pig liver, spinach, helps to improve hematopoietic function and increase the hemoglobin content; if the ferritin content in the body is significantly reduced, oral iron treatment is required. After blood loss, it is necessary to increase protein-rich, highly nutritious food to promote physical recovery, eat more eggs, fish, dairy, and promote hemoglobin synthesis. If chronic blood loss will also cause the body vitamin B12, folic acid deficiency, need to supplement vitamin B12 and folic acid tablets.