物联网环境下感知网络密钥管理技术研究是感知网络安全方面的一项基础性研究，具有重要意义。对目前国 内外学者关于这方面的研究成果进行综述，以给未来有关这方面的研究工作带来启发。首先，阐述了物联网环境下感知网络 密钥管理技术的研究内容以及所面临的挑战；其次，对目前国内外关于物联网环境下感知网络密钥管理技术的研究成果进行 了分类总结，并探讨了已有成果所存在的问题与不足；最后指出了物联网环境下感知网络密钥管理技术下一步的研究重点。

The research on key management technology of sensor network under internet of things environment is a basic work, which has vital significance for research on sensor network security. This paper reviews on the research results by the current domestic and foreign scholars, in order to bring the inspiration for the future related research work. First, it elaborates the research content and challenges of the key management technology of sensor network under internet of things environment; secondly, summarizes the research achievements of the technology at home and abroad, and discusses the existing problems and shortcomings of existing achievements; finally, points out the research focus in the next step.