Provided in the present invention is a clothes treatment device capable of fully inhibiting wrinkling of clothes. The clothes treatment device (1) is provided with: a containing chamber (200) configured in a box body (100) for containing clothes; a first supply unit (300) for supplying warm air to the containing chamber (200); a hanger suspension device (610) for holding the clothes in a state suspended in the containing chamber (200); a vibration excitation mechanism unit (630) for swinging the hanger suspension device (610); a control unit for controlling the vibration excitation mechanism unit (630); and a camera for detecting the shaking amplitude of the clothes when the hanger suspension device (610) swings. Herein, when the clothes are dried with warm air from the first supply unit (300), the control unit determines the swing frequency of the hanger suspension device (610) when swinging according to the shaking amplitude of the clothes detected by the camera.