A colonoscopy is recommended every 6 months or 1 year for proctitis. There is variability in the common timing of review for patients suffering from proctitis with varying degrees of severity and different conditions of their own. For patients with milder symptoms or who have been cured, colonoscopy is generally recommended once a year, mainly to prevent recurrence of the disease. For patients in the treatment stage, it is recommended that colonoscopy be performed every six months, mainly to observe the effect of treatment and formulate the next treatment plan based on the results of the review. For patients suffering from proctitis, it is recommended to have colonoscopy in time when there are symptoms such as severe abdominal pain, unshaped stools, pus and blood stools, and fresh blood stools. It is recommended that patients suffering from proctitis go to the hospital in time and under the guidance of the doctor for regular colonoscopy.