The first situation, 40 days after delivery, if the small abdomen vague pain occasionally or just appeared 40 days after delivery, may be caused by women’s abdomen cold or may be the precursor of menstruation, women need to pay attention to appropriate rest, eat more hot food in the diet, pay attention to keep warm, first temporary observation. In the second case, if women often have vague pain in the lower abdomen 40 days after delivery, pay attention to observe whether there is vaginal bleeding, and go to the hospital for gynecological examination and gynecological ultrasound, if there is poor uterine regeneration, you can give motherwort granules orally under the guidance of the doctor to avoid the occurrence of uterine infection. In the third case, if there is vague pain in the lower abdomen due to cesarean section, it is also necessary to observe the healing of the incision and deal with it early.