The utility model provides a home gateway with an energy management function. The home gateway comprises a microprocessor, a wide area network communication card, a wireless local network communication card, a power device, a sensor network communication card and a memory, wherein the memory and the power device are respectively connected with one end of the microprocessor; the other end of the microprocessor is respectively connected with a USB (Universal Serial Bus) communication card, the wide area network communication card, the wireless local network communication card and the sensor network communication card; the wireless local network communication card is in wireless connection with a local communication terminal; the home gateway interacts data with an intelligent power consumption server through the wide area network communication card; and the wide area network communication card of the home gateway is in wireless connection with a mobile communication terminal or the intelligent power consumption server; and the home gateway has the advantages of diversified application, convenience, safety, high reliability, free configuration and addition of control nodes of electric equipment, wireless connection between a wireless or infrared transmission module and the gateway, and real-time monitoring and control of energy source used by a power consumption unit.