Lactating abdominal pain without menstruation is mainly affected by physiological factors and pathological factors, physiological factors are more common and are normal and do not require treatment. Pathological factors are rare, divided into gynecological diseases and digestive system diseases. The majority of physiological factors are physiological phenomena, the ovaries are in a state of inhibition during lactation, menstruation does not come, breastfeeding to promote uterine contraction, may cause painful contractions of the uterus, this is a normal phenomenon. Pathological factors 1. Gynecological diseases: If menopause is a concomitant symptom and the pain occurs in one side of the lower abdomen, it may be a symptom of ectopic pregnancy, with severe pain and accompanied by a drop in blood pressure and shock, the treatment includes medication, usually methotrexate, and surgical treatment with tubectomy, requiring urgent admission to the hospital for emergency treatment; if there is a history of uterine operation a month ago, be alert to the possibility of cervical adhesions. If necessary, ultrasound examination should be done to observe whether there is blood accumulation in the uterine cavity, cervical dilators can be used to separate the adhesions, and if there is blood accumulation in the uterine cavity, it is confirmed that there is cervical adhesions and the blood needs to be drained. If the tumor grows rapidly and there are symptoms of pressure and bleeding, it can be treated by surgery, such as total hysterectomy and radical tumor curettage. 2. The treatment is rehydration, symptomatic support treatment, antidiarrheal agent montelukast, loperamide hydrochloride can be given to relieve the symptoms. Avoid eating cold food in the process of diet. If intestinal cramps occur repeatedly, you can take antispasmodics such as atropine and belladonna tablets, etc. In serious cases, it is recommended to go to the hospital for intestinal examination. During the breastfeeding period, pay attention to keep warm and avoid getting cold, avoid spicy and stimulating food, arrange your diet and living reasonably, and pay attention to contraception during the postpartum period. In addition, you can also use condoms, subcutaneous implants contraception, oral contraceptive pills are not recommended, oral contraceptive pills are not suitable for breastfeeding.