After exercise, you can take fruits rich in vitamins and trace elements, for example, you can eat grapes, bananas, apples, watermelon, etc. The best fruit is bananas, because after exercise eating bananas will cause the following beneficial effects on the body: 1, after exercise the body will lose certain ions, will evaporate potassium ions with sweat, etc., can give the body a quick recovery of potassium ions at the same time, can make the muscles increase energy. 2.Taking bananas after exercise can increase the blood sugar in the body, which can cause transient hypoglycemia during exercise due to excessive sweating of the body. The supplement banana will replenish the blood sugar lost in the body, so it has a good impact and good help for exercise. 3, bananas are rich in certain dietary fiber, eating bananas after exercise can, enough to play a certain effect of laxative and laxative effect.