A menstruation period lasts for a total of 42 days, counting from the day the baby is born. The period of menstruation starts after the birth, when the mother recovers the functions of all organs of the body and discharges the residual evil discharge from the uterus, it takes about 6 weeks, which is called the puerperium, or menstruation as the common people call it, and it takes a total of 42 days. During the puerperium, the mother should pay attention to more rest, avoiding labor, can get out of bed appropriate activities to promote the discharge of bad dew, in the hair washing and bathing need to use lukewarm water, and do a good job of warm measures to avoid catching a cold. Keep the pubic area clean and change sanitary products in time. In the diet also need to pay more attention to ensure dietary balance, eat more high protein and vitamin-rich food, drink more soup to promote milk secretion.