With the shortage of energy and the demands of human society for environmental protection, the development of electric vehicles has become an inevitable trend in the development of the automotive industry. Firstly, according to the research of predecessors, design the questionnaire about the purchase status of electric vehicles in Shanghai, and then obtains the data from questionnaire survey in Shanghai. Secondly, using factor analysis analyze these data and the three influencing factors (purchase intention using consumption factor, purchase information factor and convenience factor) are obtained. Through the study found that the conclusions and recommendations related to.