The purpose of this research is to examine the types and characteristics of injuries resulted from the physical activities of the soldiers on active duty. In this research to achieve the purpose, the soldiers were set up as a population, and finally the data from 911 soldiers as sampling by proportional stratified cluster random sampling were analyzed. Results of this research are as follows; First of all, we need to renew our recognition towards injuries and injury prevention education should be substantially given. Also when an injury occurs proper treatment should be given. Secondly, before the main sports activity is done the soldiers need to be educated about the principal of the exercise and the game rules. Then at least 5 minutes of warming up exercise is essential. Third, The soldiers must wear the standard protection equipment required while doing the sports activity Fourth, the existing equipment and facilities should be inspected regularly and the old and useless sporting goods and tools need to be improved. Fifth, proper treatment should be given to make sure that injuries do not recur in the same places hereafter. Sixth, ball games should not always be played between one's unit and the education value of the sports activity can even be enhanced by sometimes ignoring the organic unit or playing in small groups.