During postpartum repair, the body will repair in the order of vulva, myometrium and endometrium in an orderly manner. 1. Vulva: The vulva will be congested and edematous during childbirth, which is the fastest way to repair, and the repair can be completed within 7 days after delivery. 2. Myometrium: The uterus will gradually contract during the repair of the vulva and return to its prenatal condition, a process that takes about 30 days. 3. Endometrium: the repair process is relatively slow, after the repair of the myometrium, the endometrium will also be gradually repaired, and this process will take about 42 days. Women need to pay attention to their own physical state in the postpartum repair, if there are abnormalities need to go to the hospital in time, under the guidance of the doctor for standardized treatment.