Whether or not 400 ml of postpartum hemorrhage is considered excessive needs to be analyzed according to the specific situation. 400 ml of hemorrhage in 2 hours postpartum is considered excessive, while 400 ml of hemorrhage in 24 hours postpartum is not considered excessive. 1. 400 milliliters of blood in 2 hours after delivery: this kind of bleeding is considered to be relatively high, may be related to the lack of uterine contraction, soft birth injury, placental factors and coagulation abnormalities, need to actively seek treatment to avoid excessive bleeding affecting the health of the mother. 2. Bleeding of 400 ml in 24 hours after delivery: This kind of bleeding is not too much, generally bleeding within 500 ml in 24 hours after delivery is normal, no matter whether it is a cesarean section or a vaginal delivery, it is normal. In addition, women’s post-partum body is relatively weak, you need to do a good job under the guidance of a specialist care work, you need to actively adjust their own life and dietary habits to strengthen the body, in order to avoid affecting the health of the body.