This paper is to set the range of Leisure sports, and provide basic resources for vitalizing leisure sports through analyzing real state and major causes of accidents. The concept of leisure sports was reset, and ranges were subdivided into ground, aquatic and aerial. The accident in leisure sports continues upward tendency every year, and mostly occurred in ground leisure sports. Also, it shows more accidents in leisure sports performed frequently, such as cycling and mountain climbing. As distinguishing participants, service provider, and related department in leisure sports, necessary policies in each category have been provided. Also, through these provision, the study eventually attempted to vitalize the leisure sports.