Colonic ulcer diet should avoid drinking alcohol, overeating, keep the diet light, etc.. Colon ulcer may have a series of symptoms such as abdominal pain, diarrhea, urgency and heaviness (discomfort in the lower abdomen, wanting to relieve stools, and a feeling of incomplete bowel movement after defecation), and blood in feces, etc. In terms of diet, one should pay attention to abstaining from smoking and drinking, avoiding overeating and keeping the diet light, eating less and more frequent meals, and ensuring regular meals at regular intervals. In daily life, patients with colon ulcers should also maintain a good mood and healthy lifestyle, which will help the recovery of the disease. In addition, patients with colon ulcers should use probiotics such as Bifidobacterium bifidum as prescribed by the doctor, antibacterial drugs such as Liuzosulfapyridine and Clarithromycin for bacterial infections, and antidiarrheal drugs such as Montelukast for severe diarrhea. Patients diagnosed with colonic ulcer should actively cooperate with the doctor’s treatment.