With the popularity of electric vehicles, the demand for charging piles is also increasing. It is of great significance that the distribution of electric vehicle charging piles is studied for urban planning, traffic management and energy policy. This paper discusses the distribution of charging piles in China using visual charts, analyzes in detail the growth in the number of charging piles of different companies, the characteristics of geographical distribution, and the types of charging pile. Meanwhile, the differences in the distribution of charging piles in different types of cities are discussed using Shanghai and Nanchang as examples. Through the analysis of these data, the charging pile network structure can be further optimized, a valuable reference basis is provided for urban planning and the development of electric vehicles.