With the booming fitness, sports nutrition more and more people's attention. Physical effects of various nutrients for athletes recover quickly reviewed, the method of training during sports supplement food nutrition and dietary antioxidant in sports and physical fatigue effects, rapid recovery of different projects personalized nutritional needs. In this paper, based on the athletes during the movement of the body for energy characteristics, combined research of sports nutrition supplements, high-level athletes to improve physical fitness and sports nutrition analysis and make the appropriate measures to restore and maintain the health of athletes and to improve exercise capacity has been inspire. Dietary nutrition is the foundation of human life to maintain the vitality of the human body, dietary intake is extremely important, especially for occupational athletes, scientific and reasonable meal arrangements, good nutrition structure is very helpful in training and competition, sports multiplier effect, thus achieve energetic, purpose and requirements competition.