Dehumidifier

The invention discloses a dehumidifier. The dehumidifier comprises a shell, an evaporator, a fan, a water storage device, a water pump and a filter screen, wherein the shell is provided with an air inlet and an air outlet; the evaporator is arranged in the shell and is adjacent to the air inlet; the fan is arranged in the shell and is used for sucking external air into the shell from the air inletand exhausting the external air from the air outlet after the external air flows through the evaporator; the water storage device is arranged below the evaporator and is used for containing condensate water generated by the evaporator; the water pump is arranged in the shell, and the water pump is connected with the water storage device to form a drainage waterway; and the filter screen is arranged in the drainage waterway, the condensed water flows through the filter screen and then enters the water pump, and the filter screen is exposed out of the air inlet. The dehumidifier has the advantages that the water filter