This research was done in order to investigate the effects of the social skill training program on the social skill levels of young people in the age of military service in Cyprus. The sample of the investigation consists of 68 young people, who were applied to the military service in 2015. In order to determine social skill levels of the participants, Social Skill Inventory (SSI) was used. And the effects of the social skill training program on the social skill levels of participants were analyzed by the experimental method, which was based on pre-test and post-test model. As a result of the comparison, there were significant differences found between the pre-test scores of the test group before the execution of social skill training program and post-test scores after the execution of social skill training program. In the light of the data, it was concluded that the social skill training program has a positive impact on the social skill level of participants.