Now more and more people buy electric cars, because electric cars themselves have some advantages. With the strengthening of people's awareness of environmental protection, people have paid more and more attention to environmental protection, so when choosing a car, they will also pay attention to energy saving and environmental protection. Electric cars are very energy efficient and environmentally friendly. Moreover, the appearance design of electric cars is more in line with modern people's aesthetic, and it is more convenient to use and quieter. Maintenance costs are low and travel is convenient. It is these advantages that make electric cars more and more popular.