PROBLEM TO BE SOLVED: To solve such the problems that a temperature is uneven though a body warmer to be stuck on underwear is stuck conventionally when the elbow, the knee or the shoulder or the like gets cold and painful, a low-temperature burn is caused though there is a body warmer to be directly stuck to the body, and warming is not truly performed though far infrared rays are generated from a supporter to perform warming or a warm feeling type poultice or the like is used when warming a joint part such as the knee.SOLUTION: A doughnut-like heating element 1a is provided on the center of a body warmer 1 exclusive for joints, a thick towel cloth 3 is stuck to the part to be attached to the body of the heating element, and a blade-like band 5 with an adhesive material 8 for fixation to the body is provided on the left and right. Since the fixation to the body is performed by the blade-like band 5 and the heating element is directly stuck to the body, the skin is warmed at a fixed temperature and pains are relieved.COPYRIGHT: (C)2012,JPO&INPIT【課題】イ、従来は肘、膝、肩などが冷えて痛いときは下着の上に貼るカイロを貼りつけていたが温度にむらがあった。ロ、体に直接貼りつける貼るカイロがあったが低温やけどをおこしていた。ハ、膝など関節部を温める場合はサポーターから遠赤外線が出て温めたり、温感タイプのシップなど使用していたが本格的に温める物ではなかった。【解決手段】関節専用カイロ1の中心にドーナツ状の発熱体1aがあり、その発熱体の身体に密着する部分には厚めのタオル生地3が貼られており、その右、左に身体に固定するための粘着物8の付いた羽根状バンド5を設けて、その羽根状バンド5で体に固定し発熱体を体に直に貼りつける事ができるため熱を一定の温度で肌を温めて痛みを和らげる事ができる。【選択図】図1