As a distributed database technology, blockchain technology is widely used in finance, energy, electricity and other fields. Studying the application of blockchain technology in the field of electric vehicles will promote the development of electric vehicles in data sharing, optimal scheduling and intelligent management. Firstly, the problems existing in the process of intelligent development of electric vehicles are given, and the application advantages of blockchain in the intelligent management of electric vehicles are analyzed from its technical characteristics. Secondly, the existing or potential research contents of blockchain technology in the field of electric vehicles are divided into three attributes: value, energy and social, and the existing problems, research status and potential treatments of problems after the introduction of blockchain technology are analyzed. Thirdly, the present actual application progress of blockchain technology in the field of electric vehicles are summarized. Finaly, some issues and suggestions in the application of blockchain technology in the field of electric vehicles in the future are put forward.