Automatic drainage dehumidifier

The utility model discloses an automatic drainage dehumidifier which comprises a machine shell, a compressor arranged in the machine shell, a two-device assembly comprising an evaporator and a condenser, a fan, a controller and a water receiving tray arranged below the two-device assembly. The water pump assembly comprises a shell and a water pump arranged in the shell, a water inlet and a water pump output port are formed in the shell, the water inlet is connected with the water outlet of the water receiving tray through a pipeline, the water pump output port is connected with a water drainage pipe, and the controller is electrically connected with the water pump. According to the automatic drainage dehumidifier, the water pump assembly automatically pumps and drains water drained by the water receiving tray out of the machine shell, time and labor are saved, the dehumidifier can work continuously and has a better dehumidification effect, meanwhile, a water tank does not need to be arranged, the occupied spa