Postpartum hemorrhage refers to bleeding of 500ml or more within 24 hours after delivery of the fetus in vaginal deliveries and 1000ml or more in cesarean deliveries, and is a serious health hazard for mothers and babies, accounting for the first cause of maternal death in China. Therefore, we must pay attention to it and find out the problem in time to find a doctor for examination. Usually, women will have dark red liquid flowing out of their bodies after delivery, which is usually called malaria, but the amount of malaria will not exceed the amount of menstruation, and the color is dark red, not bright red. There are many causes of postpartum hemorrhage, including maternal disease, malnutrition, placental factors, weak uterine contractions, coagulation disorders and soft birth canal lacerations, etc. Postpartum hemorrhage is a common cause of maternal death. Therefore, it is important to stop bleeding promptly to address the cause. When postpartum hemorrhage occurs, the mother should not be overly nervous to avoid aggravating the hemorrhage, assist the doctor to further examine and stop the hemorrhage, and also ensure sufficient sleep, strengthen their own nutrition, eat more high-calorie, high-protein, iron-rich food, and breastfeed to help the discharge of postpartum dew. The prevention of postpartum hemorrhage is very important, so we should pay attention to prenatal checkups, actively correct anemia postpartum also need to be more observant, these can effectively reduce the rate of postpartum hemorrhage.