The essential characteristics of industrial accidents are injuries and acute poisoning accidents directly or indirectly caused by work. Industrial accidents are divided into object strike, vehicle injury, mechanical injury, lifting injury, electric shock, drowning, burning, fire, falling from height, collapse, roof fall, water penetration, blasting, gas explosion, gunpowder explosion, boiler explosion, container explosion, other explosions, poisoning, suffocation and other injuries.
 [Legal Basis]
 Article 14 of the Regulations on Industrial Injury Insurance stipulates that an employee who has one of the following circumstances shall be deemed as an industrial injury:
 （1） Injuries caused by accidents during working hours and in the workplace;
 （2） Those who are injured by accidents while engaged in preparatory or finishing work related to work in the workplace before and after working hours;
 （3） Accidental injuries such as violence during working hours and in the workplace due to the performance of work duties;
 （4） Suffering from occupational diseases;
 （5） Injured due to work or missing due to accident during the period of going out for work;
 （6） On the way to and from work, he is injured by a traffic accident for which he is not primarily responsible or an urban rail transit, passenger ferry or train accident;
 （7） Other circumstances that shall be recognized as work-related injuries according to laws and administrative regulations.