The utility model relates to an electric energy meter datum collecting device using a bidirectional radio paging net to exchange data, which is composed of a bidirectional paging circuit, a CPU (or MCU or DSP) data processing controller, an electric energy collecting circuit and a power circuit. The utility model has the advantages that the utility model uses a radio paging net as a datum exchanging net of the bidirectional paging electric energy meter datum collecting device and a main station, the cost is low, the radio transmission data are reliable, and the data collecting device designed in the communication method of bidirectional paging communication, can not only receive the instruction of the main station in a paging mode, but also transmit the information of the electric energy meter datum collecting device according to the instruction of the main station.