The present invention relates to a multifunction device for convenience in a bathroom. The multifunction device for convenience in the bathroom comprises: a casing including a dehumidification room and a sterilization room a dehumidification unit and a sterilization lamp installed in the dehumidification room and the sterilization room a drier mounting unit including a sensor and a dried air path discharging air output from a hair drier, and supporting the hair drier and a control unit controlling operations of the dehumidification unit, the sterilization lamp, and the hair drier. According to the present invention, the multifunction device for convenience in the bathroom condenses and removes moisture by sucking the surrounding humid air, and discharges the dried hot air at same time thereby rapidly reducing humidity in the bathroom. Also, the multifunction device for convenience in the bathroom is able to obtain the effect of killing two birds with one stone using a part of the hot air to dry a toothbrush. Moreover, the multifunction device for convenience in the bathroom enables a user to conveniently use the hair drier by providing an exclusive holder to hold the hair drier which is ambiguous to be stored in the bathroom. Specifically, the multifunction device for convenience in the bathroom is able to improve utilization of the hair drier by enabling the user to use the hair drier as an automatic hand drier while the hair drier is mounted thereon. The multifunction device for convenience in the bathroom has a sound outlet and a sterilization function thereby the multifunction device for convenience in the bathroom being able to sterilize a mobile phone which the user carries inside the bathroom while the user washes his/her face, brushes his/her teeth, or has a shower. At the same time, the multifunction device for convenience in the bathroom has excellent utilization by enabling the user to listen to music, news, or broadcasting in English using the mobile pho
