Outdoor server cabinet with heat dissipation air port protection

The utility model discloses an outdoor server cabinet with heat dissipation air port protection. Comprising a cabinet body, a frame body used for installing a server is arranged in the cabinet body, a separation cavity is formed between the frame body and the inner wall of one side face of the cabinet body, a heat dissipation air opening is formed in the wall of one side face of the cabinet body, an air inlet is formed in the other side face of the cabinet body, and the air inlet and the frame body are in airflow conduction. A flow guide air duct is arranged at the position, opposite to the heat dissipation air opening, of the partition cavity, a ventilator is installed in the flow guide air duct, a baffle plate is placed in the partition cavity through a sliding groove, and a motor is arranged at the bottom of the partition cavity. According to the utility model, the baffle plate capable of moving under the driving action of the motor is mainly arranged at the partition cavity, so that the heat dissipation a