Small stomach pain waist also uncomfortable there are many kinds of reasons can be caused, may be physiological factors, may also be caused by pathological factors, such as urological diseases, gynecological diseases and so on. 1. Physiological factors: before and after female menstruation or menstruation, the patient’s small abdominal pain and discomfort, accompanied by pain in the lower back and other symptoms, severe may be pale, etc.. 2. Diseases of the urinary system: for example, acute pyelonephritis, patients will often have frequent urination, urgency of urination, blood in the urine, accompanied by abdominal distension and pain, lumbar pain, lumbago and other symptoms. 3. Gynecological diseases: for example, pelvic inflammatory disease, resulting in pelvic stasis after the stimulation of the waist, the formation of small stomach and waist are painful. If the patient’s pain symptoms are serious, or the symptoms continue to worsen, should go to the hospital in time for treatment.