A reasonable nutrition supplement can improve physical fitness and sports performance of tennis players. Tennis is a typical aerobic endurance sport. According to the judgment of energy metabolism, organism state of tennis and the features of energy supply system in tennis competition, this paper offers a series of scientific , reasonable , simple and pragmatic plan of nutrition meal, which tallies with the characteristics of motor projects, researching the dinning condition and nutritious situation in the certain period of training, in order to provide reference for scientifically tennis training, teaching and exercising.