Abstract: The present invention relates to a humidifier. According to an aspect of the present invention, there is provided a humidifier comprising: a main body including a water reservoir for storing water; an upper body disposed above the water reservoir for covering the water reservoir; and a vibration unit including a vibrator for atomizing the water in the water reservoir, wherein the upper body includes a first hinge part for hinge-coupling with the main body and a second hinge part for hinge-coupling with the vibration unit, the upper body is capable of being lifted from the main body using the first hinge part as a shaft, the vibration unit is capable of rotatably moving in the water using the second hinge part as a shaft, and the vibration unit further includes a vibrator receiving unit for the vibrator.