The problems existing in the development and dem.onstration of new energy vehicle industry are analyzed based on thepresent situation and trend in Jiangsu Province, focusing on break.throughs in the core technology of power batteries, the constructionof market.oriented service system, the construction of supporting in.frastructure, etc.In order to realize the coordinated development oftransportation, energy, economy and environment, the specific mea.sures for speeding up the development of new energy vebicle indn.stry and demonstration and promotion are provided.