This is easier to solve:1; It is good to take part in more sports, but exercise should be moderate. 2; You should master the rhythm when running. Generally, after a long run, you should continue to trot and then walk slowly, and you can't stop immediately. 3; After running, you should add more water, salt and vitamins reasonably and timely. 4; Usually, nutrition should keep up and be reasonable. 5; Running should be gradual and continuous, and the distance should be gradually improved. Don't run a lot at once, and give up running after a while if you are not in the mood. If you get used to it, you can gradually overcome the symptoms of exhaustion and dehydration, so as to better play the role of fitness.