Objective: To explore the effects of teach-back methed and video education in elderly patients underwent colonoscopic prucedure. Methods: A total of 60 elderly patients underwent colonoscopic procedure were selected from gastroenterology department of First A liated hospital of Zhengzhou University from June to December 2016, who were given oral compound polyethylene glycol electrolyte for bowel cleaning. The patients were randomly divided into 2 groups. e observation group were given teach-back method and video education for bowel cleaning the day before colonscopic, while the control group were given routine education about bowel cleaning. e Boston bowel preparation scale was used to compare the the e ects of bowel cleaning between the two groups . Results: e e ects of bowel cleaning in the observation group were be er than which of control group, and the incidence of adverse effects in the observation group was lower than that in the control group, the di erence was statistically signi cant (P<0.05). Conclusion: Teach-back method and video education can improve the e ective rate for bowel cleaning of elderly patients, which deserves further clinical applications.