There are many reasons for stomach pain two months after childbirth, the common reasons are as follows: 1, gynecological inflammation. Postpartum cervical opening, vaginal bleeding easy to breed infection, or the original gynecological disease is not timely treatment, postpartum symptoms aggravated, common endometritis, pelvic inflammatory disease, clinical manifestations of abdominal cramps and discomfort, vaginal yellow discharge, with or without fever. Gynecological examination of the uterus and double adnexa pressure pain, the mouth of the cervix can be seen yellow discharge out. 2, acute gastroenteritis. The gastrointestinal tract resistance is weak after delivery, such as the consumption of unclean food or too greasy food, can appear abdominal pain, diarrhea and other gastrointestinal symptoms. 3, other acute abdominal diseases such as acute appendicitis, urinary stones, urinary infections, etc., the patient appears stomach pain, need to promptly consult a doctor, clear diagnosis, and then symptomatic support treatment.