The utility model discloses a meter reading system aiming at a radio station (RS) 485 communication mode electric energy meter. The meter reading system comprises an electric energy meter with a RS 485 communication interface and further comprises a RS 485 serial port converting bluetooth communication module and a computer provided with a bluetooth communication module. The RS 485 serial port converting bluetooth communication module is connected with the RS 485 communication interface of the electric energy meter. The RS 485 serial port converting bluetooth communication module is communicated with the computer in a wireless mode through the bluetooth communication module. According to the meter reading system aiming at the radio station (RS) 485 communication mode electric energy meter, a tablet computer provided with the bluetooth communication module is served as controlling and a data processing terminal. By utilizing the RS 485 serial port converting bluetooth communication module, the site electric energy meter is communicated in a wireless mode. Automatic meter reading is achieved by a measuring software preset in the tablet computer. Tedious works of site connecting lines are avoided. The meter reading system aiming at a radio station (RS) 485 communication mode electric energy meter has the advantages of being rapid in communication, convenient to carry and use and accurate in reading data. Moreover, ease of using is greatly higher than that of an original handheld palm machine, interface is elegant, and functional expansibility is strong.