Now a day, the society in the present world that people have to live on the urgency and competition all the time. In the sports often find that stress is a major cause of athlete with the fitness to play down. Stress is a natural human reaction when faced with a problem, change or situations. This caused stress result to adjust human aims to solve the problem of development and creative thinking. Stress may cause dissatisfaction or cause various symptoms which makes the problem even lower than the actual ability. The sport has become the cause of stress. The first reason is the mind of the athlete, when an athlete is situation to change. If the athletes meet with obstacles. It mark athletes was discouraged, thus affecting the mind and performance athlete decreased. The second reason is pressure from coaching. The coach always cultivate the athletes know but the defeat and often compared when the efficiency of athletes decreased. This resulted in increased pressure in athletes. The last reason is external factor, It may be cause by the environment change, climate change, the surrounding fabric rival or competitor judge committee, the equipment used in the competition. Athletes who lack experience when stress may not have the ability, as usual. To recognize the stress in athletes, it is important to prepare athletes to compete in as to cope with and express the best.