Abstract: CNPCs (China National Petroleum Corporation) basic thought in establishing the health-safety-environment (HSE) management system, and its current status and developing trend are introduced. Based on the Guidelines for the Development and Application of HSE Management System issued by Oil Industry International Exploration and Production (E&P) Forum, and the HSE Management System for petroleum industry (SY/T6276-1997), namely the Oil and Gas Industry Line Standard in P.R.China, the HSE management system has been established by this corporation. This system organically integrates ISO 9000, ISO 14000 and OHS management system into one system. After implementing for 3 years, significant improvement in health, safety and environment management has been achieved.