The purpose of this study was to evaluate the process producing tennis racket by Graphite Fiber and Glass Fiber, and evaluate two major materials of tennis racket. Findings of the study are as followings: 1. The process of manufacturing tennis racket, Glass Fiber tennis racket is more difficult than Graphite Fiber. 2. Glass Fiber tennis racket is about 48g heavier than Graphite Fiber tennis racket. 3. When hitting the ball, Graphite Fiber tennis racket has better feeling than Glass Fiber one.