Abstract: Chemical production is of high risk with inflammable and explosive risks. In order to do a good job in risk control and prevent various safety accidents effectively, chemical companies adopt risk classification management means. This paper analyzes the significance of the classified management and control of the safety risks. It expounds the methods of the classified management and control of the safety risks. And the paper also introduces the measures of the safety management and control of the risk identification and risk assessment of the chemical companies with a view to providing assistance to similar chemical companies in safety risk management.

Key words: risk identification, risk assessment, risk level control, risk hidden danger