Ascending colon cancer is mainly caused by bad dietary habits, chronic colitis and genetic factors. 1. Bad dietary habits: patients may keep high fat and low fiber diet for a long time, which will lead to normal function disorder of the body, formation and accumulation of carcinogenic substances in the intestinal lumen, thus inducing ascending colon cancer. 2. Chronic colitis: patients may suffer from chronic colitis, colon polyps and other diseases, if not treated in time, most of them have the risk of deteriorating into ascending colon cancer. 3. Hereditary factors: for cases with personal or family history of colorectal cancer, adenomatous polyps, ascending colon cancer, the incidence of cancer is higher, and hereditary factors may also be involved in the development of colon cancer. If symptoms of ascending colon cancer appear, it is recommended to go to the hospital in time for consultation, clear diagnosis, and targeted and reasonable treatment under the guidance of professional doctors.