Heatstroke is generally categorized into 3 levels, as follows: 1. aura heatstroke; 2. mild heatstroke; 3. severe heatstroke. The aura of heatstroke mentioned in the title can be collectively referred to as aura heatstroke. It is generally after working in a hot environment for a period of time, there will be headache, thirst, fatigue, excessive sweating, dizziness, panic, lack of concentration, and even uncoordinated movements and other symptoms, the body temperature may be normal or may be slightly elevated. If the patient is transferred to a cool, ventilated place for quiet rest in time, and given oral salt-containing beverages or glucose liquids, the patient can recover in a short time, which is the precursor of heat stroke.