Volley ballis a sub-weight-level sport, and weight requirements of the project are in the pre-race period of time to reduce body weight. Option volleyball team for dietary analysis of the survey was to understand Athletes in weight control by pre-and post-meal nutrition through body composition and blood biochemical indicators to understand the health status of athletes. The unreasonable parts of dietary of the recommendations put forward guidance, the analysis of the athletes from the normal diet to control weight of the period of dietary changes in body composition for athletes and blood biochemical parameters, body composition and blood biochemical changes can be reflected in athletes The nutritional meals, and can change their diet to improve the situation for athletes to maintain good athletic ability and competitive level to ensure that material. This topic took 16 players in the women’s volleyball team for the study in Sports University s, including 10 master athletes, six-level athletes. This study used a three-day dietary survey weighed law, the use of the State Sports General Administration of Sports Medicine Institute for the development of the dietary data analysis software to deal with meals, the Beijing Sports University research center’s Inbody 3.0 body composition is tested athletes from Xiyuan Hospital blood biochemical markers to detect blood biochemical indicators, the final on access SPSS 13.0 statistical data processing.