Clinical appearance of postpartum abdominal pain, especially lower abdominal pain, the reason is often considered two: first, contraction, is the uterus contraction, the mother after delivery, left in the uterus of the placenta, fetal membranes, endometrium, bruises and so on, need to use the uterine contraction to discharge, whenever the contraction, the mother will feel the pain in the abdomen. This kind of pain is paroxysmal, mostly appearing in the shorter duration of labor or more frequent childbirth mothers, but postpartum abdominal pain usually disappears on its own, do not need special treatment. Secondly, from the perspective of Chinese medicine, postpartum abdominal pain is caused by stagnation of qi and blood, accompanied by a feeling of abdominal distension. If the mother is cold, angry, or does not exercise for too long, it is easy to have stagnation of qi and blood, and the stagnation of qi and blood can not be eliminated, which will cause abdominal pain.