Abstract:New energy vehicle is the key field of automobile industry development in China, At present , there are a large number of automobile enterprises carry on industrial layout , technological innovation and product production under the support of national policies . The technological competitiveness of new energy automobile enterprises can be divided into comprehensive technological competitiveness and technological innovation competitiveness. Patent analysis is a good method to study the competitiveness of enterprises'' Technology , through which we can conclude that nowadays, the new energy automobile technology innovation has entered a stable period in China. The technology competitiveness of new energy vehicle companies in China is in a state of polarization. As two main types of production enterprises, technology innovation enterprises and technology follow enterprises are emerging.