The study proposed the balance between heat and nutrients, the balance of the nutrients intake and acidbase balance, etc. At the same time, the relevant departments should strengthen the monitoring of sports nutrition, so as to ensure the coaches can match with the biochemical index, making use of nutritional supplements with a reasonable choice, to supply the inadequate dietary intake. The training of athletic sports has been approaching to the physical limit of the athletes, it is proved by the evidence that without the scientific guidance for training and no other means to aid the simple "hard training" cannot guarantee the athletes defeat the other opponents and achieve more good achievements in the competition.