Abstract: Consumer demand for new energy vehicles plays an important role in promoting social progress and improving people's living standards. Taking consumers' purchase behavior of new energy vehicles as research objects, based on questionnaire surveys and statistical analysis, taking Tianjin urban residents as an example, the effects of environmental stimuli and psychological factors on the purchase behavior of new energy vehicles and the relationship between various influencing factors on vehicle purchase intentions were studied. The research results show that the purchase behavior of new energy vehicles is more rational, and consumers pay more attention to the quality, performance, service and comfort of new energy vehicles. The research conclusions provide important reference for the development of relevant policies for the automotive industry of relevant government departments.