物联网作为继计算机和互联网技术之后的信息产业的第三次发展浪潮，其带来的各种业务和应用，引起了业 界广泛关注。本文就物联网的特点切入，深入分析了其关键技术和行业应用，并展望了该技术的发展趋势。

As the third wave of the information industry after the computer and Internet technology, the Internet of Things has attracted wide attention due to its various services and applications. In this paper, the main key technologies and application fields of the Internet of Things are analyzed, and the future development trend is expounded concretely.