| 21 century extreme limit movement swept the world, this new form of exercise is different from regular exercise, regardless of the growing teenagers or busy office workers have a great advantage. Extreme sports, collectively refers to a combination of some of the more difficult and challenging combination of large sports events. Difficult skills in extreme sports action television audiences, parkour, go-karts, as well as dead fly extreme sports originator-skateboard widely accepted among young people. On the one hand, aesthetic irritation and extreme sports action on the visual theme is very suitable for the performance of audio-visual art, on the other hand, extreme sports in the slow development of China’s inland areas, can be propagated by viewing the image, so that more people learned extreme sports, so that more people involved. This paper attempts to combine graduate work "Edge · Knight", of extreme sports-themed documentaries and diverse performance practices, theoretical knowledge combined method the actual operation, thinking when shooting extreme sports use multi-angle shooting, movement of the lens used, the speed phase clip rhythm combination, as well as parallel narrative technique of expression in these extreme sports documentary applications. |