Congestive erosion of the mucosa of the ascending colon may be caused by bad dietary habits, infection or mental factors, and may also be caused by inflammatory bowel disease. 1. Bad dietary habits: eating too much too hard and rough food or overeating and other bad dietary habits, will lead to incomplete digestion and absorption of food, food residues will produce friction on the mucosa of the ascending colon, which will lead to congestion and erosion of the mucosa of the ascending colon. 2. Infection: Bacterial, viral and other pathogenic bacterial infections will lead to inflammation of the ascending colon, inflammatory factors will stimulate the destruction of the structure of the mucosa of the ascending colon caused by damage to the mucosa, resulting in congestion and erosion of the mucosa of the ascending colon. 3. Mental factors: long-term depression or anxiety and other mental states, will lead to neurological and endocrine disorders, thus appearing in the ascending colon mucosa congestion and erosion of the symptoms. 4. Inflammatory bowel disease: Inflammatory bowel disease mainly includes ulcerative colitis and Crohn’s disease, which is a kind of chronic non-specific inflammation, the etiology of which is still unclear, but it can involve the whole gastrointestinal tract, which leads to congestion of the mucous membrane of the ascending colon and erosion. Ascending colon mucosal congestion and erosion is usually accompanied by blood in the stool, abdominal pain, constipation, diarrhea and other symptoms, it is recommended that the patient seek medical attention in a timely manner, by the doctor to clarify the cause of the targeted treatment, and pay more attention to the daily diet of light and easy to digest, to avoid mental stimulation.