The recovery time of postpartum abdominal pain should be judged according to the specific causes, physiological causes can be recovered in 3-4 days, pathological causes need to be removed after recovery. Postpartum abdominal pain includes physiological abdominal pain and pathological abdominal pain, physiological abdominal pain is the paroxysmal abdominal pain that occurs in the early postpartum period, called postpartum contraction pain. It is a process in which the prenatal enlarged uterus gradually returns to its normal size, without special treatment, and can be reduced or disappeared by itself 3-4 days after delivery. If the pain is unbearable, massage or symptomatic treatment can be applied. Pathological abdominal pain usually occurs more than 20 days after delivery and requires consideration of pelvic or intrauterine infection. Clinicians need to confirm the diagnosis according to the relevant examination, and then treat the cause and symptoms, and the inflammation will recover after elimination. In conclusion, women with postpartum abdominal pain, in either case, should pay attention to ultrasound examination if necessary to clarify the cause and then treat accordingly.