本文对山西省3-6岁男女幼儿的身高身体素质指标进行相关性研究，结果表明，3-6岁幼儿身高发育同身体素质发展有很大的相关性，速度、力量素质在每个年龄段都与身高发育高度相关（P<0.01），柔韧、协调、平衡素质与身高发育的部分年龄段相关（P<0.05或P<0.01）.幼儿的身高发育与速度、力量、协调、灵敏、平衡能力的发展，从遗传的阶段性上存在着明显的相关性以及多元发展特征.研究结果为幼儿在幼儿园体育教育中应按年龄合理设置和安排不同素质能力的教学内容，提供了可靠的科学依据.

The digital age has great influence on the development of China's physical education.This paper puts forward the following countermeatures:to improve the research and development of internationalization of course system;to strengthen the training of information skills for teachers;to promote life-long education and foster life-long learning thoughts.

because of the old education pattern and the old educational idea idea manacle, physical education theory is lag, at present in China, the teaching reform in college physical education, both from the education idea, education mode, education theory, teaching purpose, there are still many problems. These problems have a direct impact on the sport teaching reform and development of college physical education teaching reform, become the obstacle, therefore, the reform of PE Teaching in Colleges and universities it is necessary to establish a set of scientific, standardized teaching mode, set up new teaching concept, establish a scientific evaluation system, fundamentally solve the problem of colleges and universities sports teaching reform problems.

The developing opportunity should be caught up at the first year when the ＂national fitness program（2011-2015） was brought into force to rethink the guide role of the program to school physical education development, and to make careful location and assess the expansion of school physical education. The situation should be understood, and changes should be made to the new thought raised by the program when a further reform of school sports is carried out, thus the reform could serve the national fitness well.

采用文献研究、调查研究等方法对脚斗士赛事的发展现状、商业运作模式和存在的问题进行调查与分析.脚斗士赛事是我国民间体育赛事市场化运作的一个成功案例,但仍存在着一定的问题:竞赛产品质量不高,对观众吸引力不强；赛事主题分散,不能形成赛事品牌效应；市场整体规模不足,供给主体融资渠道单一；受到以西方价值观念为主导的体育全球化的挤压；政府重视不够等.建议打造顶级赛事、提高赛事质量等.

Literature material, mathematical statistic and comparative analysis methods were used to comb the balance-competition concept, the influencing factors, the controlled experiences and the calculating methods. A comparative analysis was made on the balanced competition of league game CBA and NBA in the recent ten seasons. The result indicated: the CBA and NBA in the recent ten seasons are in a higher competitive imbalanced state, and the difference of CBA and the NBA league's competitive balance is not remarkable; The competitive imbalance of CBA and NBA tendency is not improved with the increasing level of rofessionalism. Finally, the suggestions of improving competitive balance in CBA league were proposed.

Maximize profit is the core objective in professional sports organizations.League competitions and various professional clubs had made a lot of work in the competition pricing service.The documentary method and the logical analysis have been made to discuss the bilateral market's concepts,the classification and the pricing strategy.This paper theoretically and empirically analyzes the pricing strategy of competition service in CBA league market based on the bilateral market theory.Based on this paper,a new perspective is provided for the pricing strategy of competition service in CBA league market.

There are distinctive blood-type characteristics and temperament type charateristics among the different competitive sports, which the National Athlete of Second grade belongs to. Different blood group athletes may exist differents advantage characteristics on their own temperament types. This paper makes a survey by blood assay and temperament scale test, which is about blood-type characteristics and temperament type charateristics between males(116)and females (65)’the National Athlete of Second grade. The study finds that: the blood-type percentage in the National Athlete of Second grade has distinctive characteristics among the different sports. In the survey, we know that 42%-53% athletes are B-type blood, who engaged in Aerobics, Basketball,football, and table tennis; 47.06% long-distance runnners are A-type blood; 44.44% volleyball athletes are O-type blood and 36.36% tennis players are AB-type blood. Phlegmatic is dominant in the National Athlete of Second grade with A-type blood; Sanguine temperament is dominant in the National Athlete of Second grade with B-type blood. Choleric temperament is dominant in the National Athlete of Second grade with O-type blood. Despondent nature is dominant in the National Athlete of Second grade with AB-type blood. So, we should pay attention to this law in scientific athletes- selection.