The main causes of intestinal perforation in the elderly include tumors, dietary factors, and inflammation. 1. Intestinal tumor is one of the causes of intestinal perforation in the elderly. Tumor disease is a major threat to the elderly in their old age. Relevant research statistics show that the incidence of many tumor diseases will increase with age, and various intestinal tumors are the common causes of intestinal perforation in the elderly, which need to be paid attention to. 2. Intestinal perforation in the elderly may also be caused by dietary factors. Older people’s gastrointestinal function is weaker, so we should ensure that the diet is light and easy to digest, so as to maintain the health of the intestinal function, otherwise it is likely to cause a variety of gastrointestinal diseases, and intestinal perforation is a common situation. 3. Inflammation is the main cause of intestinal perforation in the elderly. A variety of gastrointestinal inflammatory diseases, will lead to intestinal mucosal damage, not timely treatment, it is easy to lead to intestinal ulcers perforation.