Computer mainboard with cooling function

The utility model provides a computer mainboard with a cooling function. The computer mainboard with the cooling function comprises a heat exchange water box, a mainboard body is arranged above the heat exchange water box, and a water circulation mechanism and a heat dissipation mechanism are arranged on the heat exchange water box; the water circulation mechanism comprises a snakelike heat exchange pipe, a return pipe, a micro water pump, a water outlet pipe and a water pumping pipe, the snakelike heat exchange pipe is fixedly installed at the bottom of the mainboard body, the return pipe is fixedly installed at the bottom of the snakelike heat exchange pipe, the bottom end of the return pipe extends into the heat exchange water box, the micro water pump is fixedly installed at the top of the heat exchange water box, and the water pumping pipe is fixedly installed at the bottom of the micro water pump. And the water outlet pipe is fixedly mounted at the water outlet end of the micro water pump. The computer