PROBLEM TO BE SOLVED: To provide a weight-reducing tool which increases vibration directions of a body unit, for applying complicated vibration to muscles and fat.SOLUTION: A weight-reducing tool comprises: a housing which is brought into contact with a skin surface of a user a first vibration part 130 having a columnar rotation body 133 which rotates in eccentric rotation for vibrating the housing a magnetic material 137 which is provided along a peripheral surface of the rotation body and a second vibration body 150 having a second magnetic material 153 and a weight 155 which are magnetically connected to the magnetic material, and vibrating the housing in a direction different from a direction of vibration of the housing by the rotation body corresponding to rotation of the rotation body.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】本体ユニットの振動方向を増やすことで、筋肉および脂肪に複雑な振動を与えることが可能な痩身器を提供する。【解決手段】ユーザの肌面に当接される筐体と、偏心回転して前記筐体を振動させる柱状の回転体133を有する第1の振動部130と、回転体の周面に沿って設けられた磁性体137と、磁性体と磁気的に接続する第2の磁性体153およびおもり155を備え、回転体の回転に対応して、回転体による筐体の振動とは異なる方向に筐体を振動させる第2の振動部150とを具備する構成とする。【選択図】図2