Adenoma of the sigmoid colon refers to adenomatous lesions in the sigmoid colon, which may be caused by irregular diet, inflammation and genetic factors. 1. Irregular diet: the sigmoid colon is used to store feces, if you often drink alcohol, eat some spicy and stimulating food will cause gastrointestinal tract dysfunction, causing indigestion, so that feces are stored in the sigmoid colon in large quantities. This will make the sigmoid colon lesions lead to defecation difficulties, which will lead to adenoma. 2. Inflammation: If there is inflammation in the sigmoid colon, the repeated stimulation of the colonic mucosa will cause abnormal lesions in the local tissues, thus causing adenoma. 3. Genetic factors: Both benign and malignant adenomas are closely related to heredity. If there is similar disease in family history, then this kind of people need to pay special attention. If you have recurrent abdominal pain, you should go to the hospital for colonoscopy in time. Under the guidance of the doctor, it is treated by surgical removal.