In 2022, there will be a high temperature all over the country, and the word "heat stroke disease" will be widely searched. Since July, many people have been diagnosed with heatstroke disease, and there have been deaths. What is the difference between heat stroke and common heatstroke? What is the pathogenesis of heat stroke? How to prevent and treat heat stroke scientifically? Zhang Da, Deputy Chief Physician of Emergency Department of Beijing Chaoyang Hospital affiliated to Capital Medical University, explains for you.