Environmental management system is part of whole management system, used to frame and implement its environmental plan, and regulate the environmental factors, which including organization structure, planned activity, duty, routine work, procedure, process and resource need for establishing, implementing, realizing, appraising, and keeping environmental plan. The International Standardization Organization (ISO) in September 1996 formally published ISO14001:1996 Environmental Management System---Specification with Guidance for Use which is the core of ISO14000 series standard. It demands the organizations to achieve the aim of supporting environmental protection, pollution prevention and continuous improvement by setting up an environmental management system, whose conformity and the level of environmental management may be proved through the form of third party certification. Having such advantages as energy saving, enhancing competence and gaining clients, the environmental management system specified in ISO14001 standard has got active response since its publishing date and is regarded as the Green Passport to the international market. Since the generalization and popularization of ISO14001 can play the role in harmonizing relation between economic development and environmental protection, improving environmental protection consciousness of whole civilian, accelerating saving and promoting technical advancement, it is paid more and more attention from countries and demos. In order to much more nail down the requirement of ISO14001 standard, ISO has emended the standard, and the new edition of ISO14001:2004 Environmental Management System Requirement and Guide for Use is published on 15, November 2004. ISO14001 standard came out under the background that the modern human society is faced with serious environmental problems (such as: greenhouse effect, ozone layer destruction, biodiversity destruction, the ecological environment depravation, marine pollution), is the crystal of industry developed countries? environmental management experience. The basic idea is to induct organizations to establish environmental management mechanisms of self-restraint according to PDCA pattern, everybody from top leader to each staff, initiatively and self-consciously deal with relation between own development and the environmental protection, progressively improve environmental achievement, carry on effective pollution prevention, finally realize organization's benign development. This standard is suitable for any type and scale of organizations, and is suitable for each kind of geography, culture and social environment.