The subjects of this study were 8 athletes who entered the final of men s 400m hurdles running in 2000 Olympic Games.

This paper analyses the winding run of inboard and outboard pathes and techniques of striding hurdles of left leg and right leg in400m hurdle race by the method of biomechanics analysis.

Approach of Improvment 400-metre Hurdles Records Through Short-term Training;

Analyzes the domestic and foreign outstanding Female 400m Hurdle athletes to assign the entire speed reasonably,between the Hurdle the step and the transformation suspends leg\'s factors and so on ability,discovered that our country Female 400m Hurdle athletes have the big difference in the speed assignment and the movement thythm aspect and the overseas top athlete.