There are many reasons for left abdominal distension, such as improper diet, left-sided hernia, intestinal inflammation, etc. It is necessary to treat the cause of the disease, and common treatments include general treatment, drug treatment, and surgical treatment. 1. General treatment: Improve dietary habits, eat more meals and less food, and use food that is easy to digest. 2. Medication: antibiotic treatment (levofloxacin, metronidazole) can be chosen for the inflammation caused by intestinal infections, and gastric stimulating drugs (mosapride) can be chosen to promote gastrointestinal digestion, or lactulose laxative can be applied to alleviate bloating and so on. 3. Surgery: Surgery can be chosen for hernias that are not effectively treated with conservative therapy, to return hernia contents and repair the weak part. The above medications should be used under the guidance of a professional doctor, and left abdominal distension is recommended to gastroenterology or internal medicine, timely identification of the cause of the cause of treatment.