Day heat stroke considerations related to environmental factors, personal constitution, pathological factors. 1. Environmental factors: often in a high-temperature confined environment, exposure to the scorching sun, long hours of heavy physical labor, high-intensity exercise, did not take effective measures to prevent heat stroke, heat stroke is prone to occur. 2. Individual constitution: each person’s constitution is different, such as old and weak, obesity, excessive fatigue, excessive water loss, salt loss, not get timely supplementation, easy to occur heat stroke. 3. Pathological factors: hyperthyroidism, diabetes mellitus, cardiovascular disease, sweat gland deficiency, hyperadrenocorticism, may lead to increased heat production and reduced heat dissipation, easy to heat stroke. In addition, bacterial, viral, mycoplasma, chlamydia infections, resulting in increased heat production, increased body temperature, also prone to heat stroke. It is recommended to get out of the environment, pay attention to heat stroke prevention and cooling in general, and go to the general internal medicine department of the hospital if necessary, so that the cause can be clarified.