Cabinet air condition is actively cooling with compressor, and it will remove the heat inside the cabinet to outside. It also can keep the dust and heat outside the cabinet, avoiding problems from using fan. The inside cabinet can be maintained at an ideal temperature for electrical components which effectively guarantees the stability of the electronic equipment and improves the reliability of the whole system. The cabinet air conditioning refrigerates the air through inside and outside two independence, and exchanges the heat inside the cabinet to the outside by the heat-exchange. By this way, it can protect the electricity wind chest's electrical element in the controllable temperature range movement. Simultaneously the cabinet air conditioning has dehumidifies the function, which will guaranteed the cabinet interior has the ideal temperature and the humidity.