This study aimed to understand people's motives for playing softball, and discuss the motives of social personages and students. Researcher used ”The survey of people's motives for playing softball” collecting the data, and the samples of this study are those who playing softball in Hsinchuang stadium, Sanchung floodway, and Dajia sports park in Taipei City. The data analysis methods include: demographics, t-test, and all being worth by α = .05 is a standard. The findings are as follows: People's first motive for playing softball was ”social need”, and the second was ”achievement need”, and the third was ”healthy need”, and the forth was ”sense need”.