To provide a bathroom drier with a dehumidifying function capable of efficiently drying a bathroom by low input electric energy while adding the dehumidifying function.

The bathroom drier with the dehumidifying function is provided with a dehumidifying rotor adsorbing water contents in air, a regenerative heater positioned in an upstream side of the dehumidifying rotor, a circulating fan sucking the air in the bathroom and returning it into the bathroom via the dehumidifying rotor, a regenerative fan sucking the air in the bathroom and exhausting it to a bathroom exterior via the dehumidifying rotor, and a control part controlling operation of the dehumidifying rotor, the regenerative heater, the circulating fan, and the regenerative fan. It is characterized by that, in the control part, intermittent operation of the regenerative fan and the regenerative heater is carried out while carrying out continuous operation of the circulating fan.