With stimulation of supporting policies on financial subsidy from national and local governments,new energy vehicles have rapidly developed in the past two years in China.It has surpassed the U.S.and become the world's largest market of new energy vehicles since 2015.This study compares supportive policies for new energy vehicles in different countries,and the numbers of registered new energy vehicles in several car-purchased restrictions cities in China.It analyzes problems in development of new energy vehicles as well as the influences of relevant policies on management of urban traffic in China.Suggestions are put forward from aspects of relevant policies and regulations,technical standards,examinations of vehicle safety,information management systems for new energy vehicles,with hope that these suggestions could provide references for healthy development of new energy vehicles in China.