目的：為瞭解基層運動選手社會支持對運動參與動機的重要性。方法：以文獻彙整的方式歸納目前基層運動選手社會支持與運動參與動機之間的關係，並進一步分析，基層運動選手參與運動的意願與動機，是否會因為各種社會支持層面的介入而受到影響。結果：在過去研究中，證實了重要他人的支持對運動選手的運動參與動機有實質的影響。結論：一、在基層運動選手中發現，運動參與動機主要以健康體適能最為重要，其次為成就需求與技術需求而以社會需求構面動機最低。二、在基層運動選手中發現，社會支持是以「隊友支持」及「同儕支持」之得分情形最高；反之家人支持及教練支持部分是比較弱的。三、在基層運動選手中，國內有關社會支持與運動參與動機之研究發現，社會支持是影響運動參與動機的重要因素。

Purpose: The purpose of this study was to understand the importance of social support to grass roots athletes’ sports participation motivation. Methods: Sorting out the documents and records about how social support works on the participation motivation of grass roots athletes. And to analyze if the sports participation motivation of grass roots athletes would be affected by social support of any kind. Results: Research in the past shows the support from an important individual does have substantial impact on the participation motivation of athletes. Conclusions: 1. For the grass roots athletes, what affects the sports participation motivation most is physical fitness. Then from achievement motivation and technical skill needs. The least influence is from the social needs. 2. There holds higher influence from the support of team mates and peer than the support from coach and family for the grass roots athletes. 3. In the research of the interaction between social support and sports participation motivation in the country, the influence of social support on sports participation motivation is essential for the grass roots athletes.