1, chocolate: chocolate contains high calories and fat, which is very effective for supplementing energy in the body when physical exertion is excessive.

2, beef jerky: similar to the theory of chocolate, the fat content is not much less than chocolate.

3. Banana: Banana is a natural stimulant in the eyes of many athletes. Many professional athletes will eat some bananas to improve their excitement before the competition.

4, salty drinks: can supplement the consumed water, and will not cause discomfort to the stomach.