经济的繁荣和社会的进步，极大的提高了国民的生活水平，发达的科技为国民的生活带来了更多的方便和奇迹，但是这一状况已造成了国民身体素质的不断下降。高中生处于整个教育系统开展的一个重要阶段，高中生作为国家经济建设的未来人才，其身体素质水平状况直接影响着国家经济建设的大局和全面建设小康社会的步伐。第六次全国学生体质健康调查报告指出，我国城乡学生的体质与健康整体上有所改善，但是还存在着比较严重的问题有待解决，主要表现为视力下降、龋齿率高、肥胖率增长等方面。这一状况引起了国家教育部门的高度重视，学校体育教育成为学校教育的重中之重。社会各部门的改革，不断地推动着学校教育改革的开展，体育教育也不例外。课外体育活动作为学校体育教育的一个重要组成部分，其开展状况的成功与否直接影响到学校体育教学目标的实现。学校课外体育活动的开展是实现终身体育的一个重要举措，也是实现全民健身计划的一个有效手段。高中生通过参与课外体育活动在提高自身的身体素质的同时，还可以丰富课余文化生活，锻炼自身意志，提高社会交际能力等。本文利用文献资料法、问卷调查法、数据统计法、访谈法、逻辑归纳法等研究方法，对对铜川市高中生参加课外体育活动状况进行了调查，了解了高中生参加课外体育活动认知态度、活动形式、锻炼时间、场地器材使用以及课外体育活动的管理等诸方面的特征，根据特征分析影响铜川市高中生参加课外体育活动的因素，得出以下结论。1学生对课外体育活动基本知识的掌握呈现差异性，部分学生已经认识到掌握体育保健知识对自己生活的重要性，少数学生对科学健身法有一定的兴趣。学生认识到课外体育活动提高学习效率、丰富其课余生活、锻炼自身意志的作用。2多数学生表示参加体育活动之后自身的情绪有所变化。3学生对学校开设的体育课程持不满态度，表明铜川市高中在体育课程设置方面存在一定的问题，急需解决。4学生参与体育活动的动机主要集中于提高自身身体素质和娱乐身心两个方面。5学生参与体育活动的频率、强度和持续时间较之前情况有所转变，其中活动强度和活动持续时间较好，游动频率还有待提高。6男生和女生在课外体育活动项目选择上存在差异性，其参与体育活动的形式以群体自由结合形式为主，其课外体育活动的场所主要集中在学校提供的体育活动场地。7学校课外体育活动使用的体育经费不能满足学生参与课外体育活动的需求。 8影响学生参加课外体育活动的因素呈现多样性，主要有表现为三个方面：家庭因素、学校因素和个人因素。

The blooming of economics and the improvement of society, raise the level of national life tremendously; developed technology brings convenience and miracles to the lives of citizens, however, which have caused national physical qualities decreased continuously. High school students in the whole education system being an important stage, the senior high school students becoming the future talent in the national economic construction, whose physical quality level directly affect the overall situation of national economic construction and the pace of building well-off society in an all-round way. The sixth national student physical health survey report has pointed out that China’s urban and rural students’ constitutions and health improved as a whole, but still had serious problems mainly for diminution of vision, high rate of dental caries, obesity growth, etc to be solved. This situation has caused the great attentions in the national education department; school physical education has become the most important part of school education. The reform of each department in society, continually enrich the reform of school education, physical education is no exception. Extracurricular athletics being an important component of school physical education, whether success or not, the situation will directly affect the reaching of the goal on school physical teaching. The school extracurricular athletics is a measure of reaching the life-long sports, at the same time, is an effective mean of the national fitness program. Except that, the school extracurricular sport activities can rich extracurricular culture life, exercise their own will, and improve the ability of social communication, etc.In this paper, using the literature material, questionnaire survey, data statistics method, interview method and logical inductive method and so on, to survey the situation of senior high students in Tong Chuan city participating in the extracurricular sports activities, we learn many aspects of high school students about cognitive attitudes, activity forms, exercise time, space equipments and management of sports activities in taking part in extracurricular sports activities.1 Different student has different achievement in grasping the basic knowledge of extracurricular sports activities; a part of them has learned the importance of the knowledge on sports health in their lives; a few of them has interest in scientific approach of keeping healthy.2 Most students said they had mood changes after taking part in sports activities.3 Students have discontent attitudes for the school physical sports education curriculum, which shows there are some certain problems that need to be solved urgently in school curriculum provision.4 Students’ motivation of taking part in sports activities mainly focus on improving their physical quality and entertaining their body and mind.5 The frequency, intensity and duration of students participating in sports activities have gotten better than before; of them, activity intensity and duration are better, but moving frequency still needs to be improved.6 Boys and girls are different in the choice of extracurricular sports activity; the form is group free combination, and the place mainly concentrates in the school sports venues.7 The sports funds for school extracurricular activities cannot cater to the demand of students participating in the sports activities.8 The factors influencing the students’ participating in sports activities are various and mainly have three aspects: family factors, school factors and personal factors.