The common causes of walking left small abdominal slight pain are as follows: 1. Substantial lesions of abdominal organs: for example, inflammatory diseases of small intestine, common in Crohn’s disease and intestinal tuberculosis; tumor diseases of small intestine, such as small intestine mesenchymal tumor and small intestine adenocarcinoma, etc. In addition, pain in the left side of the small abdomen requires consideration of left hemicolectomy, such as descending colon and sigmoid colon lesions, which are commonly associated with descending colon cancer, sigmoid colon cancer, descending colon adenoma, sigmoid colon adenoma, descending colon and sigmoid colon diverticulum, and ulcerative colitis, all of which can cause pain in the left side of the small abdomen. In addition, also need to consider the left kidney and ureteral inflammation, tumors, if there are diseases in this area, walking will also cause pain in the left abdomen; 2, functional phytonadic dysfunction: such conditions can also cause intestinal dysfunction and lead to pain, at this time, you can take some oral drugs to correct intestinal dysfunction, such as Deschutes, aid raw power, and then supplement some probiotics, such as lactobacillus, etc., can correct intestinal dysbiosis. It can correct the intestinal flora dysbiosis and is more effective.