With sports rapidly development, especially for 200 8 Olympic Games successfully hosted, it let each ki nds of sports undertakings attracts much attention, from which sh ot becomes the focus issue, many scholars’ research es on the event are even countless. The paper based on the t hought, it utilizes neural network model to make pr ediction on shot putters, after stating BP neural network theor y, and then combines it with practice, it gets pred iction on future development trend, so it proves the model validness and rationality.