The invention discloses a self-positioning intelligent household energy information gateway device, and belongs to the technical field of electric power internet of things, wherein self-positioning intelligent household energy information gateway device comprises a comprehensive processing unit module, a power line carrier communication module, an ultra-wideband pulse radio communication module and a 4G/5G communication module, a monitoring management module, a power supply module, an acquisition metering unit, a sensing unit, a multi-directional antenna unit and data input/output interface and an electricity meter unit, wherein the power line carrier communication module, the ultra-wideband pulse radio communication module, the 4G/5G communication module, the monitoring management module,the electricity meter unit and the data input module/output interface are all in bidirectional information transmission with the comprehensive processing unit module; the acquisition metering unit and the sensing unit transmit the collected information to the comprehensive processing unit module; and the acquisition metering unit and the electricity meter unit are in two-way information transmission. The device has the characteristics of being stable and efficient in communication, high in accuracy and low in cost.