We intend to develop intelligent quality control and management software based on the work of digestive endoscopic artificial intelligence in the Department of Gastroenterology, Wuhan University Renmin Hospital, to accurately and comprehensively assess the quality of gastrointestinal endoscopy and to provide a practical basis for improving the quality of digestive endoscopy in our endoscopic center.

Inclusion Criteria:

Endoscopist:

1. Endoscopist with more than one year experience in gastrointestinal mirror operation;
2. Willing to further improve endoscopic quality through Endo.Adm feedback;
3. Ability to read, understand and sign informed consent; The investigator believes that the subject understands the flow of the clinical study and is willing and able to complete all research procedures and follow-up visits in conjunction with the research process.

Exclusion Criteria:

Endoscopist:

1. Have participated in other clinical trials;
2. Frequently attending in academic conference which is difficult to ensure the number of endoscopic operations;
3. Endoscopist who were either not present for both parts (phase1 and phase2) of the study.

Patients:

Colonoscopy:

1. Polyposis syndromes
2. Lumen obstruction
3. History of colorectal surgery
4. History of colorectal surgery

Gastroscopy:

1. Obstruction
2. History of gastric surgery

Individual de-identified participant data that underlie the results reported in this article and study protocol will be shared for investigators whose proposed use of the data has been approved by an independent review committee. Data can only be used to achieve aims in the approved proposal. Data disclosure begins 9 months and ends 36 months after article publication. To gain access, data requesters will need to sign a data access agreement. Proposals should be directed to the corresponding author.