International Organization for Standardization ( ISO ) and the International Labor Organization ( ILO ) study and discussion of occupation safety and health management system standardization problems, many countries have established their own working group to carry out research in this area, and in the country or region where the development of this standard, in order to adapt to the growing global occupation safety and health management system requirements for certification, in 1999the British Standards Institute ( BSI ), ship's classification society of Norway ( DNV ) and other 13 groups presented occupation safety and Health Evaluation Series ( OHSAS ) standard, namely OHSAS 18001 and OHSAS 18002, become an international general the occupation safety and health management system certification standards.

    For entry into the World Trade Organization of domestic enterprises are facing the international labor standards and international economic integration challenges, standardize all kinds of intermediary organization behavior, the State Economic and Trade Commission, in the original basis, in 2001December, publish occupation safety health management system" directive opinion" and" occupation safety health management system".

    At present, occupation health and safety management system has been widely concerned, including the organization of employees and a plurality of related parties (such as: residents, community groups, suppliers, customers, investors, contractors, insurance etc.).

    Standards organizations to establish and maintain occupation safety and health management system, hazard identification and risk evaluation, make corresponding control measures and procedures, to achieve the requirements of the laws and regulations and continuous improvement.

    Within the organization, system real time to organize staff (including dispatched staff, the third department staff ) as principle, and in a unified approach to carry out activities, this policy shall be occupation safety health management work provide a framework and guidance, to all relevant open.

    OSHMS occupation safety and health management system is a general term. OHSAS 18001 is used to certification standards; it provides certification should be consistent with the requirements, and the 18002 is the 18001 requirements of the interpretation and how to implement the 18001 guide.