Camera detection in the pipeline channel, through a comprehensive and in-depth understanding of the drainage network, professional detection engineers interpret all image data, through professional knowledge and professional software status of multi pipeline for scoring summary, and finally submit the most eye-catching data to decision makers. Through these data, we can understand the current status of the pipeline scientifically and comprehensively. Currently, Hangzhou and Ryan use this method for testing. Provide accurate information for the design organization and make the next transformation plan