The purpose of the study is to explore the current condition of teachers' working pressure and their leisure sports participation, comparing the working pressure differentials among the high school teachers with different background variants and the relationship between working pressure and leisure sports participation. The study object is selected from 48 senior high schools and vocational schools. Each school provides 20 study samples. There are 960 questionnaires issued in total. There are 934 retrieved and 16 invalid, so the number of the valid copies is 918 (96%). The data is analyzed with the software of SPSS for Windows10.0. Its approaches includes descriptive statistics, factor analysis, t-testing, ANOVA and One-way MANCOVA. The result is as follows: 1. The working pressure scale of teachers in Tainan is medium. 2. Their participation rate of leisure sports is below average. 3. The working pressure scale is obviously differential among the teachers with different background variants. 4. The participation in the leisure sports is obviously different among the teachers with different background variants. 5. It is negative correlation between their working pressure and leisure sports participation. The result can be used as a references for the teachers in Tainan who wants to have a suitable leisure sports planning or the executive authorites.