First, the reason for the sports environment, if at noon or in the afternoon, the sun is more intense sports field sports or in the indoor gymnasium, ventilation environment is poor, more hot environment is also very easy to appear the symptoms of heat stroke. Second, the problem of personal constitution, some people have poor thermoregulatory center, so the body’s heat dissipation function is also poorer than normal people, it is easy to heat stroke. Third, the movement of the time to drink less water, if the liquid supplement is not enough, the movement of heat dissipation will be worse than others, so it is easy to heat stroke. Fourth, the age of the problem, infants and young children, the elderly are slightly worse than normal, but also easy to cause heat stroke. In addition, some patients who are weaker or have chronic cardiovascular, pulmonary, or organ failure are also prone to heat stroke, especially some patients with advanced cachexia or tumors.