The invention discloses a tunnel and subway fire protection rescue robot which comprises a travelling mechanism, a rescue device and a control device. The rescue device is installed on the travelling mechanism through a turntable and consists of a fan, a fan driving device, a water mist nozzle, a water pipe and an elevation adjustment mechanism, the fan is fixed on the turntable by a bracket, the elevation adjustment mechanism is installed on the bracket and connected with the shell of the fan, an output shaft of the fan driving device passes through the elevation adjustment mechanism to be connected with the blade of the fan, the water mist nozzle is arranged at an air outlet of the fan, the water pipe is installed on the shell of the fan and connected with the water mist nozzle which is provided with a circle of atomizing nozzles, the travelling mechanism consists of an air cushion skit, a traveling mechanism body, aerial adjusting nozzles, an air inlet and wheels, the wheels are installed below the travelling mechanism body, the air cushion skirt is arranged at the periphery of the travelling mechanism body, the aerial adjusting nozzles are installed above the front part and the rear part of the travelling mechanism body and communicated with the lower surface, the air inlet is installed on the travelling mechanism body, and when the fan rotates downwards, the air outlet and the air inlet form a closed air channel.