Abstract: With the development of current intelligent, electric and connected vehicles, the development of Internet of vehicles plays a decisive role in the progress of intelligent and connected vehicle technology. Based on the analysis of the development status and trend of the Internet of vehicles at home and abroad, this paper briefly analyzes the development status of the Internet of vehicles in China from four aspects: communication technology, cloud control technology, highprecision positioning technology and information security, and summarizes the challenges faced by the Internet of vehicles in China from three aspects: security problems, production problems and business models. The analysis believes that the improvement of relevant policies and standards must be accelerated. Based on the current situation of the industry, accelerate the cultivation of core technologies, improve the industrial chain, and promote the healthy and orderly development of the Internet of vehicles.

Key words: Key technologies of Internet of vehicles; Transportation; Intelligent connected vehicles

摘要： 随着车辆智能化、电动化、网联化趋势的发展，车联网的发展对智能网联汽车技术的 进步起到了决定性作用。文章通过对国内车联网发展现状及趋势进行分析，从通信技术、云 控技术、高精度定位技术、信息安全四个方面对国内车联网的发展现状进行简要分析，并从 安全问题、生产问题、商业模式三个角度总结出国内车联网面临的挑战。分析认为必须加快 完善相关政策标准，立足于产业现状，加快核心技术培育攻关，健全产业链条，推进车联网 健康有序发展。

关键词: 车联网关键技术；交通运输；智能网联汽车