The purpose of menstruation is usually to recover the body as soon as possible after childbirth. During pregnancy and after giving birth, a woman’s body undergoes a lot of changes as well as certain damages to the body caused by pregnancy and childbirth, which need to be recovered as soon as possible during the menstruation period. Through menstruation, physical and psychological adjustments can be made to eliminate injuries, bleeding, etc. brought about by the process of pregnancy and childbirth. Through menstruation can not only benefit the recovery of the organism, but also facilitate the communication between the mother and the baby, promote the growth of the baby, etc.. Postpartum is recommended to sit in the moonlight scientifically, abandon stereotypes, if you can not see the wind, can not take a bath to brush teeth, can not get out of bed activities, etc., specific can consult a professional doctor, 42 days after delivery to the hospital for review, the moonlight period, if there is any abnormality needs to be timely medical attention.