Postpartum stomach pain is mainly due to the following reasons: First, dietary factors, because the mother after childbirth often or a lot of high-fat, high-fat, high-protein food, so that the stimulation of the gastrointestinal tract and digestion and absorption disorders, resulting in peristalsis of the gastrointestinal tract increased, resulting in abdominal pain. Second, because of the maternal immunity decline and intestinal wall edema after childbirth, it will lead to the displacement of bacteria in the intestinal tract resulting in double infection, thus making the intestinal peristalsis hyperactivity or spasm, resulting in abdominal pain symptoms. Third, the mother has intestinal inflammatory disease before delivery, its postpartum period due to physical weakness and immune system decline can also lead to the period in the active period, which leads to stomach pain, abdominal pain. Fourth, intestinal tumors and intestinal polyps can also lead to postpartum stomach pain.