Lactation can be done after the 42-day post-partum review, and a moderate amount of exercise can be done. Women are just after giving birth to a child into the stage of breastfeeding, at this time the body is relatively weak, all aspects of physical strength has not returned to normal, especially cesarean section women, postpartum wounds have not completely healed, it is recommended to rest first, do not do sports for the time being. After 42 days of post-partum review is not abnormal, after the breastfeeding period can be appropriate exercise exercise, to choose suitable for personal exercise, exercise to control the frequency and intensity. Breastfeeding exercise can choose aerobic exercise, such as walking, swimming, yoga, etc., exercise should be warmed up before, do not go to exercise on a long empty stomach or just eat a full meal. If there is any discomfort, consult a doctor in time.