The main purpose of this study was to investigate the current status of recreational sports participation motivation and life satisfaction among public junior high school teachers in Taichung City and to investigate the differences in population statistic variables on these. Random sampling questionnaires were issued to Taichung public junior high school teachers of 103 school. A total of 420 valid questionnaires were collected, representing a valid recovery rate of 93.3%. Data analysis were based on SPSS for Windows 18.0 statistical software package, through descriptive statistics, independent-sample t-test, ANOVA, Scheffe's, and Pearson's Product-Moment Correlation. The results of the survey are as follows: A. The main group of junior high school teachers in Taichung City were male, aged 31-40, and 60.1% were married and have children. B. The principal motivations for the respondents to participate in recreational sports was ＂to improve body health＂, followed by ＂to obtain comfort and relaxation of the body＂, ＂to improve self -physical fitness＂, ＂to get good mood＂, and ＂to relieve anxiety and pressure.＂ From the results, we can understand that teachers hope to relieve pressure to make themselves stay in good health through recreational sports. C. The main factor that affected life satisfaction was ＂It is joyful for me to participate recreational sports＂, followed by ＂I think my family is harmonious and happy＂, ＂I get along with my friends＂, ＂I am satisfied with the present life＂, and ＂I have good living conditions.＂ Therefore, to arrange appropriate recreational sports after classes (school) can make people happy and furthermore, enhance life quality. D. Recreational sports participation motivation and life satisfaction among junior high school teachers in Taichung City showed a positive correlation. That meant, the higher the recreational sports participation motivation was, the higher the life satisfaction would be.