A wireless communication-based wireless electric energy meter disclosed by the present invention comprises a power supply module, a liquid crystal display module, an electric energy metering chip, a microprocessor, a memorizer, an RF module and an optocoupler module. The power supply module is connected with the electric energy metering chip, the liquid crystal display module and the microprocessor, the electric energy metering chip is connected with the microprocessor, and the liquid crystal display module is connected with the microprocessor; the memorizer is connected with the microprocessor, the RF module is connected with the microprocessor, and the optocoupler module is connected with the microprocessor and the electric energy metering chip simultaneously. The beneficial effects of the present invention are that (1) the processing precision of the electric energy metering chip and the processing precision of the microprocessor are high, a higher test precision can be maintained within a larger temperature change range; (2) the wireless meter reading and the wireless data real-time monitoring and processing can be realized; (3) the power consumption states of the users, an electrification state and an alarm state can be distinguished; (4) a standby battery is provided, thereby being able to guarantee that the electric energy meter can work on the power-off condition.