The utility model discloses a smart electric meter system based on thing networking. It is including setting up smart electric meter and the wireless transmitting and receiving terminals of a plurality of removal in user department, smart electric meter includes a central processing unit, a power module, a WIFI module, storage module, display screen, button and is used for gathering the electric energy metering modules of electric quantity information, a central processing unit is connected with a power module, a WIFI module, storage module, display screen, button and electric energy meteringmodules electricity respectively, it includes microprocessor, the 2nd power module, the 2nd WIFI module, GPRS module, touch -sensitive screen and IC -card card reader to move wireless transmitting andreceiving terminals, microprocessor is connected with the 2nd power module, the 2nd WIFI module, GPRS module, touch -sensitive screen and IC -card card reader electricity respectively. The utility model discloses can be reported to power supply company with electricity meter data regularly automatically, need not manual meter reading, improve work efficiency, avoid leaking the appearance of copying, missing the condition of copying.