The factors of psychological training of athletes are researched not sufficiently enough. Many authors underline that psychological training of athletes is a complicated process, without which the development of modern sports is impossible. The problem of study is that data, which would reveal the influence of psychological training program on psychological skills that, are: imagery creation skills, stress management skills, management of mental energy, concentration skills, self confidence and goal setting skills. The purpose of this study is to establish the influence of psychological training program on the psychological skills of basketball players. Objectives: to establish level of psychological skills before and after psychological training program. Data were obtained from a sample of 14 basketball players competing in Lithuanian basketball “A” league. Effectiveness of psychological training program was evaluated through (a) Training experiment (the psychological training program), (b) the psychological tests, and (c) mathematical statistics. The results indicated an increase in all investigated psychological skills. Although not all results showed a reliable difference, but stress management, self confidence and goal setting skills managed to show a reliable difference between two cases. Results confirmed that even a minimal psychological training program is effective for athletes all over the world.