The utility model discloses an intelligent heat exchange device for a machine room. The intelligent heat exchange device for the machine room comprises a cabinet body. An inner air inlet and an inner air outlet are arranged on one side of the cabinet body, an outer air inlet and an outer air outlet are arranged on the other side of the cabinet body, an inner recycle heat exchange air passage is arranged inside the cabinet body, an outer recycle heat exchange air passage is arranged inside the cabinet body and a heat exchange heat-conduction core body which is used for the heat exchange between the inner recycle heat exchange air passage and the outer recycle heat exchange air passage is arranged between the inner recycle heat exchange air passage and the outer recycle heat exchange air passage. The intelligent heat exchange device for the machine room further comprises a temperature humidity sensor. A probe of the temperature humidity sensor is arranged inside the inner recycle heat exchange air passage or the outer recycle heat exchange air passage, and the temperature humidity sensor is connected with an inner recycle pump and an outer recycle pump in a controlling mode. The intelligent heat exchange device for the machine room has the advantages of preventing dust from entering into the machine room during a heat exchange process so that normal operation of electric equipment is guaranteed, in addition, being capable of controlling the inner recycle pump and the outer recycle pump, and reducing cost of manual guarding.