The utility model provides an intelligent bluetooth of mobile phone infrared meter -reading system of improved generation electric energy meter, electric energy meter change infrared module with the bluetooth and are connected, the bluetooth is changeed infrared module and is connected with the smart mobile phone, the smart mobile phone is connected with the computer that is equipped with the master system, the host computer of computer is placed in being used for holding the cabinet of the host computer of computer, the cabinet contains the cabinet body and roof, defect that the fault rate that avoided that cabinet body structure is unfavorable for cooling when the main engine operation of computer among the prior art, the host computer of computer appears took place frequently.