First, summer sports must avoid the hottest time, can not credibly practice three volts in summer, this is the division of people. Especially for the middle-aged and old people, they must not go out for exercise in the most sunny stage.
Second, according to their own physical conditions, if you feel tired, tired, you have to rest. The general lack of sleep in summer, hard to exercise is not good. It's not good for health.
Third, drink some boiled water before exercise, sweat more in summer, drinking some water in advance is helpful to health.
Fourth, you can take a glass of water with you when you go out, use a convenient bottle, and take a glass of water with you. When you are thirsty, you can add water at any time to prevent dehydration.
Fifth, you can take a towel and wipe your sweat in time. People who don't sweat during summer sports don't have Olympics. They can wipe their sweat in time and feel comfortable.
Sixth, don't exercise too much, especially for people with bad heart, take a rest and adjust their body in half an hour. If you don't feel tired, you can keep going for a while.
Exercise in summer should be moderate. The middle-aged and the elderly need more.