Army training will be grenade throwing as one of the five tactics, the military is also listed in the six major technologies, we can see the importance of grenade throwing training, in view of the military on the physical training of scientific and technical training information is not yet complete . In this paper, we will discuss the theory of grenade throwing special training based on the basic theory of sports science (sports physiology, kinetic mechanics and sports psychology) by combining the related literatures of throwing action. Besides providing the basic theory of sports science, The design of the use of painting to achieve more effective training benefits, but also hope that the general public can learn about the military through this article on sports training information.