Intestinal flatulence and left lower abdominal pain may be caused by intestinal obstruction, chronic enteritis, intestinal spasm, etc. General treatment, medication and surgical treatment can be chosen by the doctor according to different causes. 1. Intestinal obstruction: When intestinal obstruction occurs, the contents of the intestines cannot be discharged from the body smoothly, resulting in dilatation of the intestinal tube, inflammatory substances oozing out and irritating the peritoneum, thus resulting in dysfunction of defecation and abdominal pain and other symptoms. It can be relieved by gastrointestinal decompression, fasting and other general treatment, and at the same time, it can follow the medical advice to use cefuroxime, azithromycin and other drugs for anti-infection treatment; when the effect of conservative treatment is not good, it can be chosen as a surgical way to lift the obstruction. 2. Chronic enteritis: long-term inflammation stimulates the intestinal mucosa, which may lead to ischemia and ulceration of the mucosa, and the symptoms of intestinal flatulence and pain in the left lower abdomen will appear, and then you can follow the doctor’s instructions to use gentamicin, erythromycin and other medicines for anti-infective treatment. 3. intestinal spasm: it is due to the strong contraction of the smooth muscle of the intestinal wall caused by paroxysmal abdominal pain, which will lead to intestinal flatulence, lower left abdominal pain symptoms, at this time you can follow the doctor’s instructions for drug treatment, commonly used atropine, topical cigar tincture and other drugs. Intestinal flatulence and pain in the lower left abdomen may also be seen in colitis, intestinal adhesions and other diseases, should seek medical attention in a timely manner to clarify the cause of the disease, so as not to delay the condition.