Abstract: A multifunctional dehumidifier, including: a second air duct, and an evaporator and a second condenser are sequentially arranged in the second air duct; the second air duct inlet is configured to guide air into the second air duct, the evaporator is configured to cool the wind and release water vapor; the multifunctional dehumidifier also includes a first air duct, and a first condenser is installed inside the first air duct, the first condenser is connected to the second condenser; and a first air duct inlet is provided and configured to guide the air into the first air duct, the first condenser is configured to carry out the heat released from the second condenser, the first air duct outlet is configured to discharge the heat carried out from the first condenser. The multifunctional dehumidifier have both heating dehumidification function and cooling dehumidification function.