During diarrhea is not allowed to run, diarrhea intestinal mucosa will be in a state of stress, should be appropriate bed rest, drink a lot of water, to promote the inflammation to subside, to replenish the body of the missing body fluids. Running during diarrhea will cause the intestinal system to speed up peristalsis, which is not conducive to the decline of inflammation, but also aggravate diarrhea, diarrhea during the body’s immunity is relatively low, running will consume the body’s energy because of the open-mouth breathing leads to part of the gas into the digestive system, resulting in gastrointestinal flatulence. On the intestinal mucosa repair and functional recovery are affected, diarrhea will be accompanied by dehydration, dehydration, the body’s ability to balance will be weaker, easy to faint, running will be sweating, will also aggravate the symptoms of dehydration.