The invention discloses an electric car charging service internet development calculation simulation system. A parameter setting module is in communication with an oil price forecast module, an electricity price forecast module, a correlation technique affecting module, a policy affecting module and an oil-powered car purchasing cost forecast module. The oil price forecast module, the electricity price forecast module, the correlation technique affecting module and the policy affecting module are respectively in communication with an oil-powered car using cost calculating module, an electricity-powered car using cost calculating module and an electricity-powered purchasing cost calculating module. The oil-powered car using cost calculating module, an electricity-powered car using cost calculating module, an oil-powered purchasing cost forecast module and an electricity-powered car purchasing cost forecast module are in a communication with an electric car charging service internet simulation module through an electricity-powered car holdings forecast module. The simulation module is in a communication with an electric car charging service internet planning module, an electric car charging service internet profit calculating module, an electric car charging service internet quality calculating module and a database management module. The electric car charging service internet profit calculating module and the electric car charging service internet quality calculating module are respectively in a communication with a report generation module.