As sports activities are gaining a more and more important position in the mind of Chinese people, the table tennis has got an increasing amount of attention. This thesis shows that the movement of the table tennis is decided by two forms of motion trails and analyzes the impacts of different forces on the trails by conducting an in-depth analysis of the moving process of the table tennis and building and solving the mechanical model of the whole bouncing process of the table tennis through the combined usage of theories of mechanics.