To validate the feasibility of promoting colorectal diminutive polyp "predict, resect, and discard" and "diagnose and leave" strategies for non-experts in general hospitals through CADx system.
Agree to participate in this prospective randomized controlled study;
Age ≥18 years for colonoscopy;
At least one colorectal diminutive polyp (size <=5mm) found during examination;
Already participating in other clinical trials, having signed informed consent and being in the follow-up period of other clinical trials;
Already participating in drug clinical trials and being in the washout period of experimental or control drugs;
History of drug or alcohol abuse or psychological disorders in the past five years;
Pregnant or lactating patients;