The invention provides a liquid-cooled heat dissipation type cabinet door. The liquid-cooled heat dissipation type cabinet door comprises a door plate module, a heat exchange module and a fan module. The door plate module comprises a door body, one side of the door body is provided with the heat exchange module, one side of the heat exchange module is provided with the fan module, and the fan module is used for discharging hot air out of the door plate module after the hot air is cooled through the heat exchange module. The liquid-cooled heat dissipation type cabinet door provided by the invention improves the heat dissipation efficiency of a cabinet, solves the problem of heat dissipation of a high-density data room, reduces the energy consumption and the operation cost of the room, and is high in heat dissipation efficiency, simple in structure, convenient to install and high in safety performance.