Left lower abdomen caused by pain causes include the following aspects: 1, the more common chronic colorectal often accompanied by dilute watery stools, or diarrhea and constipation alternately. 2, not except for the urinary system of the left side of the ureter, bladder stones lead to, often accompanied by pain to the perineum to disseminate the characteristics of the waist will sometimes be pain, nausea, vomiting. 3, especially for the elderly may also be the sigmoid colon intestinal The possibility of torsion, should be taken in time to take symptomatic measures, if necessary, can also be taken to surgical treatment program. For the left lower abdomen to cause pain must pay great attention to, if necessary, if not able to relieve, can also go to the hospital for timely examination, find the exact cause and according to the cause of systematic standardized treatment.