According to the practical research,our conclusion is:Acupuncturing point has an obvious influence on the capabih ty for dash sportjbut the accumulationg effect on it is weak.

To explore the rules of muscles change to different training level sprinters,we can illustrate the character and intrinsic relationship of relative muscles work mechanism,clarify the rational proportion of muscle strength.

In the talent identification of sprinters the coaches require that the characteristics of their sprinters lower limbs should be relative short thighs (the femur), relative narrow pelves and relative high arches of foot.

Since the sprint has the characteristics of short distance,high intensity and fast speed,the scientific arrangement of load and intensity in the training process is extremely important.

From the angle of skill features,sport physiology and sport psychology,the author analyzes the influence on the muscle relaxation in sprinting and how to keep the mechanism of the highest speed in dash as much as possible.

This paper explores the changing laws of correlative muscles of sprinters at different training level,posts the operation characteristics and inner relation of muscles of modern sprinting,and provides references and consultations for future sprinting teaching and training.