Provided is a device in which the center of gravity is stabilized and / or body distortion is corrected only by wearing on a toe and performing a normal life. According to the present invention, the following inventions are provided. A cylindrical orthodontic appliance for correcting body distortion, having a triangular prism-shaped protrusion on the inner peripheral side, the triangle being inclined in one direction with respect to the circumference, and having a diameter of 7 An orthodontic appliance made of a cylindrical elastic material having a diameter of ˜20 mm, a width of 5 to 10 mm, a thickness of 1 to 3 mm, and a hardness of 4 to 6. [Selection] Figure 1足指に装着し、通常の生活をするだけで、重心が安定し、および／または体の歪みが矯正される器具を提供する。本発明によれば、以下の発明が提供される。体のゆがみを矯正する円筒形の矯正器具であって、内周部に内側方向に三角柱状の突起を有し、円周に対して該三角形が一方向に向かって傾斜しており、直径７～２０ｍｍ、幅５～１０ｍｍ、厚さ１～３ｍｍ、硬度４～６の円筒状の弾力性を有する材料からなる矯正器具。【選択図】図１
