This study was undertaken to examine the effect of ginseng physical fitness, 30 soccer players at K high school and 23 soccer players at K university were divided into two groups. The ginseng group was given 8g ginseng powder per day, 4g in the morning and 4g in the evening before meals. The effect of ginseng was measured in terms of their body weight, leg strength, back strength, all-out time and physical work capacity 170 with cycle ergometer. Evaluation was made in four steps of pre test before the experimental, post 1 test after 4 weeks, post 2 test after 8 weeks, and post 3 test after 12 weeks. The results are as follows ; 1. When comparing in the physical fitness, the ginseng group showed to have higher improvement than the control group. 2. Ginseng group showed to have most influence on the muscular strength and PWC₁₇₀. 3. Taking ginseng for a long period of the rather than a short period of time showed to have a higher effect on the body. 4. Taking in ginseng during high school years rather than in college years showed to be a better time.