Abstract: With the development of machine vision technology, robot sorting system has been widely used in many industries, creating favorable conditions for the application of visual recognition technology and the development of intelligent manufacturing technology. By reviewing the composition and key technologies of sorting system based on machine vision technology and the application status of products in different fields, the research progress and existing problems in various fields at home and abroad are analyzed and compared, and the future development trend is prospected, which provides a reference for the application of machine vision technology in artificial intelligence industry.