1. When you find that you or others have symptoms of premonitory heat stroke or mild heat stroke, the first thing to do is to quickly evacuate the high temperature environment that caused the heat stroke, choose a cool and ventilated place to rest; and drink more salty drinks of refreshing drinks. The guidance also suggests that you can apply cooling oil, Fengyoujing, etc. on the forehead and temporal areas, or take traditional Chinese medicines such as Rendan Ten Dishui Huoxiang Zhengqi Water. If blood pressure drops and collapse occurs, you should lie down immediately and go to the hospital for intravenous infusion of saline.