Every country and society make a more and more severe control on environment . trade policies of every government have gradually become tools that provide better services for environment targets . the execution of environment trade measures which limit or prohibit import and export for environment protection goals has being increased and strengthened 各个国家和社会对环境的管制越来越严，各国政府的贸易政策日益成为更好地服务于环境目标的工具，为环保目的执行的限制或禁止进出口的环境贸易措施增多、增强，进而日益影响到国际贸易的正常发展。
