The utility model provides an electric automobile fills and trades power station intercommunication system based on industrial computer, the system includes: through RS485 bus and direct -furnish big customer interactive system, little electric wire netting interactive system, specially become electric automobile that user interactive system, intelligent residential district interactive system and interruptable user interactive system connected gradually and fill and trade power station interactive system, its characterized in that, electric automobile fills and trades power station interactive system and include: through wireless network with join in marriage power dispatching automatic system and electric automobile and fill the electric automobile who trades power station energy management system intercommunication and fill and trade power station interdynamic terminal, promoted to fill and traded the interdynamic of power station participation electric wire netting, and the fortune dimension is with low costs, can send electric automobile charged state and information according to the user's request, thereby improve work efficiency, promote user?experience.