1. Heat stroke is usually judged by observing clinical symptoms and signs, and by collecting medical history.

2. The main clinical signs are usually caused by working outdoors for too long in an environment with high temperature and vertical exposure to the sun, or working for a long time in an environment that is not ventilated or breathable. It has central nervous system symptoms. Symptoms of the nervous system and temperature imbalance include dizziness, headache, severe nausea, vomiting, and inability to concentrate. In severe cases, convulsions, syncope, coma, shock, etc. may occur.

3. Convulsions and severe loss of consciousness may occur in cases of heat cramps, heat exhaustion and heat stroke. At this time, you can pinch the eyebrows on both sides to perform the orbital reflex. If the orbital reflex exists, it usually indicates heat stroke. If the orbital reflex does not exist, it can prove that it is severe coma caused by other cerebrovascular diseases. You can also pinch the philtrum. Observe whether you are conscious or not, but it is usually not accurate to judge whether you have heatstroke by one. You also need to make a comprehensive judgment based on medical history and clinical symptoms and signs.