Abstract: Safety production system of iron and steel enterprises is a grey system, so the grey correlation analysis method can be used to analyze the correlated factors of production accidents of iron and steel enterprises. Base on the accidents happened in national iron and steel enterprises between 2008 and 2012 and analysis of statistical data of each influence factors which caused the accidents could indicate, not implemented and imperfect of rules and regulations, not strict of enterprises management, labor discipline slack in workers; not enough education and training and in violation of the relevant laws and regulations of the state and not enough supervision are key factors which cause the accidents, the accident of iron and steel enterprises can be prevented or reduced through the control and management of key factors.

Key words: Iron and steel enterprises, Early-warning of accident, Grey correlation analysis