PROBLEM TO BE SOLVED: To provide a waist belt capable of easing backache by lifting up the abdomen and tightening the pelvis.SOLUTION: In a waist belt 1 which is formed of a body belt 2 wound around the waist of a user, and an auxiliary belt attached/detached to/from the body belt 2, and in which the body belt 2 is freely connected/released by hook-and-loop fasteners provided on the right and left ends, and the body belt 2 and the auxiliary belt 3 are freely attached/detached by hook-and-loop fasteners provided on the external surface and internal surface of the lateral central part, left end and right end thereof respectively, the auxiliary belt 3 has a tension direction inclining from the upper end or lower end of the lateral central part to the left end and the right end.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】腹部を持ち上げたり、骨盤を締め付けたりして腰痛を緩和できる腰ベルトを提供する。【解決手段】利用者の腰に巻き付ける本体ベルト2と、前記本体ベルト2に着脱する補助ベルトとから構成され、本体ベルト2は、左右端部に設けられた面ファスナーで接続解除自在で、本体ベルト2及び補助ベルト3は、それぞれの左右中央部、左端部及び右端部の外面及び内面に設けられた面ファスナーで着脱自在とした腰ベルト1において、補助ベルト3は、左右中央部の上端部又は下端部から左端部及び右端部に傾斜する引っ張り方向を有する。【選択図】図1