At present, exercises have become a frequent international competitive exchange activity. To some extent, a country's exercise level also measures the country's comprehensive economic strength. The holding of various international and domestic exercise events directly leads to the explosive increase of exercise videos digital. Therefore, efficient exercise video analysis is necessary. With the expansion of multimedia techniques and the emergence of message highways, the storage and transmission of digital video is no longer a difficult thing. The holding of different exercise events directly leads to the explosive increase of exercise videos. Therefore, efficient exercise video analysis is very necessary. Computer techniques have injected new vitality into most industries, but their expansion in the exercise industry is relatively slow. The means used in this paper is picture sequence analysis. The basic operation of sequence picture analysis is to detect motion messages or aims from picture sequences. It is a very active branch of picture courseing and computer sight. Because it has been widely used in many aspects of national eco and military, its research has attracted the general concentration of scientists all over the world.