Whether a colonoscopy can manage five years needs to be judged according to the specific situation of the individual, if it is a healthy young people can check the colonoscopy once every five years, if there are intestinal polyps and other diseases of the patient should increase the frequency of examination, once every five years is not enough. For healthy young people without intestinal polyps, intestinal inflammation and other intestinal diseases, generally five years to check the colonoscopy can be; and for patients with intestinal polyps, intestinal inflammation and other intestinal diseases, according to the doctor’s recommendation of half a year to two years to carry out a colonoscopy, help to observe the intestinal tract, to find early lesions, such cases of five years to check the colonoscopy is not enough. It is important to note that if there is persistent diarrhea, blood in the stool, change in the nature of the stool, etc. it is recommended to go to the hospital for colonoscopy. People who are not sure how often a colonoscopy should be performed are advised to visit the gastroenterology department of a hospital and ask a specialized doctor.