With the explosive growth of the global new energy vehicle market, electric vehicle charging infrastructure has become the core engine to promote the development of the industry. This article systematically sorts out the classification system, technical characteristics, cost structure and market layout of electric vehicle charging stations, focusing on analyzing the core differences between home and commercial charging stations, and combining policy orientation and user needs to explore the intelligent upgrade path of future charging networks. Through multi-dimensional data analysis, the article provides decision-making references for car owners, investors and policymakers, and helps build an efficient and sustainable electric travel ecosystem.