Prevention of sports syncope: 1. adhere to the principles of scientific and systematic training, to avoid overexertion, excessive stress and other conditions. 2. 2. participate in long and strenuous sports programs must be trained athletes. 3. recovering from illness and older people to participate in sports must be in accordance with the exercise prescription. 4. Avoid prolonged training and competition in summer under high temperature, high humidity or windless conditions. 5. When playing long-distance sports, replenish sugar, salt and water in time. 6. 6. do not stop after running, you should continue to jog for a while and take a deep breath. 7. not suitable for long-distance swimming under the closed air, underwater swimming sports should have safety supervision measures. 8. athletes should be regular physical examination, especially before major competitions and high-intensity training. 9. Athletes with a history of syncope should be fully investigated to avoid re-syncope. 10. In addition to the team doctor, athletes and coaches should have the ability to prevent and simply deal with syncope in sports.