EDI安全问题得到广泛的重视.本文根据国际/国家标准,对EDI安全措施的集成方式进行阐述,说明根据所建立的安全机制,为报文级、包级、组级和交换级安全提供完整性、源鉴别和源抗抵赖性的方法. EDI security issues have received widespread attention.This paper describes the integration of EDI security measures according to international / national standards, which shows that according to the security mechanism established, it provides integrity for message level, packet level, group level and exchange level security , Source identification and source non-repudiation methods.