The industrial endoscope is a new high-tech product designed and produced according to the inspection requirements of the inner surface of the pipeline in the petrochemical industry, industrial machinery, electronic and electrical industry, aerospace, etc. It integrates optical, mechanical, electrical, and image processing software. The industrial endoscope is equipped with a high-resolution color monitor or USB port. It is more convenient to carry, and the observation image is clearer. The operator can use the high-resolution color CCD to freeze, enlarge, analyze, measure and print the report of the observed suspects and flaw detection parts with the help of a unique professional software processing system, thereby greatly improving the accuracy of judging the flaw detection parts on the inner wall of the pipeline.