Hot summer is a high incidence season of heatstroke. Why does the human body suffer from heatstroke? How to prevent occupational heatstroke? The official official account of the Chinese Center for Disease Control and prevention today issued a document to analyze the "identification of occupational heatstroke and industrial injury". Heatstroke is an acute disease caused by heat under high temperature. Also known as acute heat induced disease, it includes heat radiation disease, heat spasm and heat failure at the diagnostic level. According to the CDC, under normal physiological conditions, the heat production and heat dissipation of the human body maintain a dynamic balance, so that the body temperature is at a relatively stable level. In the high-temperature environment, when the heat generation and heat gain of the body are obviously greater than the heat dissipation, the heat storage will increase continuously. Once it exceeds the self-regulation ability of the human body, it will cause heatstroke disease mainly manifested by the dysfunction of the central nervous system and cardiovascular system due to the disorder of heat balance and the imbalance of water and salt metabolism. According to the characteristics of meteorological conditions in the workplace, high-temperature operation is generally divided into three types: high-temperature and high radiation operation (dry and hot environment), high-temperature and high humidity operation (wet and hot environment) and open-air operation in summer (composite thermal environment). The Chinese Center for Disease Control and prevention emphasizes that heatstroke is the result of the continuous accumulation of heat production and heat gain in the body, which is significantly greater than the heat dissipation process. Before severe heatstroke occurs, most patients will experience the process of heatstroke aura, and at this time, the symptoms of leaving the high-temperature environment may be gradually relieved. Therefore, it is very important for high-temperature workers to keep their awareness and awareness of the onset of heatstroke. Timely medical treatment in the aura of heatstroke can effectively prevent the further development of heatstroke and save the lives of patients. The Chinese Center for Disease Control and Prevention said that occupational heatstroke belongs to the national statutory occupational disease, and the occurrence of occupational heatstroke requires the first identification of industrial injury. After the treatment is stable, if there are sequelae that affect the labor ability, it shall apply for labor ability appraisal again. According to Article 4 of the regulations on industrial injury insurance, when an employee suffers an industrial injury, the employer shall take measures to make the injured employee receive timely treatment. Article 14 stipulates that an employee who has one of the following circumstances shall be recognized as an industrial injury, while an employee who suffers from an occupational disease shall be recognized as an industrial injury. Article 17 stipulates that if an employee is injured in an accident or is diagnosed and identified as an occupational disease according to the provisions of the law on the prevention and control of occupational diseases, the employer shall, within 30 days from the date of occurrence of the accident injury or the date of diagnosis and identification as an occupational disease, apply to the social insurance administrative department of the overall planning area for the identification of industrial injury. Article 21 stipulates that if an employee has a work-related injury and has a disability after the treatment and the injury is relatively stable, which affects his / her working ability, he / she shall carry out an appraisal of his / her working ability. "Prevention of occupational heatstroke is important." CDC reminded that employers need to constantly improve the production environment and take heat insulation and cooling measures at the production site; Reasonably arrange operation time and provide health drinks; Workers need to strengthen personal protection and wear heat resistant clothing; Before employment, workers shall undergo pre job and regular occupational health examinations to prevent personnel with occupational contraindications from engaging in high-temperature work. (outlook new era)