Abstract: The purpose of this paper is to explore the research background and importance of risk assessment of petrochemical enterprises based on the LEC method. This paper reviews the research trends of safety management in the petrochemical industry at home and abroad in recent years, and presents the application examples of LEC method in the field of energy and chemical industry in China. With the advancement of science and technology and the increasingly stringent regulatory requirements, the needs of petrochemical enterprises in risk prevention and control are becoming more and more urgent, and the LEC method has gradually become the preferred assessment tool in the industry due to its flexibility and pertinence.

Key words: petrochemical, LEC, prevention and control strategy