Crying during menstruation may lead to milk return, postpartum depression and endometrial infection. 1. Milk reflux: Crying during menstruation is often due to poor mood, so it is likely to affect sleep, resulting in less and less breast milk, and not able to meet the demand for breastfeeding. 2. Postpartum depression: After pregnancy, hormone levels change abruptly, and hormone levels drop after birth, many pregnant women have a tendency to be depressed after giving birth. If coupled with the child is more sleepy, and everything has to be their own labor, some women will aggravate the depression, irritability, anxiety, often abnormal mood, the expression of dissatisfaction is to cry. 3. Endometrial infection: bad spirit, low mood, often crying during the month may cause contraction weakness, resulting in poor uterine recuperation, and even resistance to decline, resulting in the possibility of endometrial infection. So during the period of sitting on the moon, although there are all kinds of tedious things, the mother should also keep in a good mood, more communication with the family, so as to relieve psychological pressure, to do a healthy recovery.