This report sorts out the communication rankings and ranking distribution changes of Chinese brand car enterprises in different categories in 2017 and january-june 2018，analyzes the communication status of typical Chinese brand car enterprises in different categories，and summarizes the public opinion communication hotspots of typical Chinese brand car enterprises in different categories in 2017 and january-june 2018.In 2017，the future layout of auto enterprises，Chinese brands going overseas，the listing of representative new cars and the development plan of new energy vehicles have become the communication hot spot of various auto enterprises. Electric new energy vehicles are the focus of attention.From January to June，2018，the layout of various automobile enterprises，Chinese brands going overseas，new model upgrading and listing，and new energy vehicle development plan become the communication hot spot. Electric vehicles and unmanned vehicles are the focus of attention. The joint venture and cooperation of automobile enterprises are further deepened，and they go out to explore the new power of growth of automobile enterprises in the international market.