OHSAS18001 occupational health and safety management system is an international standard by the British Standards Institute (BSI), Det Norske Veritas (DNV) and other 13 organizations jointly launched in 1999, it is the foundation of the organization (enterprise) the establishment of occupational health and safety management system is based primarily on corporate internal audit and implementing certification body audits. It is the second implementation of the ISO9000, ISO14000 international standards but also a hot spot after. OHSAS18000 series of standards and occupational health and safety management system certification system resulting in recent years has a rage management system standard certification system. OHSAS18000 series of standards is an international standard by the British Standards Institute (BSI), Det Norske Veritas (DNV) and other 13 organizations jointly launched in 1999, ISO has not yet developed in the current circumstances, it has played a role in the quasi international standards. Which 0HSAS18001 standard certification standards, it is the organization (enterprise) to establish the basis of occupational health and safety management system, as well as the main basis for the implementation of enterprise internal audit and certification body audits. China has transformed November 12, 2000 as the national standard: GB / T28001-2001 idt OHSAS18001: 1999 "Occupational Health and Safety Management System Specification" December 20 the same year, the State Economic and Trade Commission has launched the "Occupational Safety and Health Management System Audit Specification" and played in China for occupational health and safety management system certification system. GB "Occupational Health and Safety Management System requirements" was December 30, 2011 update to GB / T: 280012011 version, identical with OHSAS18001: 2007 version of the standard (English) translation, and on February 1, 2012 implementation. Required organizational structure, planning activities, responsibilities, operational practices, procedures, processes and resources.