The utility model relates to an adjustable far infrared massage strap device, which comprises a wearing belt, a holding bag and a massage ball.The wearing belt includes a belt body for detachable wearing on a user.The accommodation bag is arranged on the belt body of the wearing belt, and the accommodation bag includes a bag body defining a accommodation space.The massage ball can be detachable and installed in the holding space of the holding bag. The massage ball includes a soft ball and several far-infrared particles which are added into the ball and can generate far-infrared rays.The sphere can be spherical, hemispherical or spherical.By wearing the bag containing the massage ball on the user, it is convenient to wear the bag and adjust the massage position to meet the massage effect.一種可調整的遠紅外線按摩束帶裝置,包含一個配戴帶、一個容納袋,及一個按摩球。該配戴帶包括一片用於可拆離地配戴在一位使用者上的帶體。該容納袋設置於該配戴帶之該帶體,該容納袋包括一個界定出一個容納空間的袋體。該按摩球可拆離地容裝在該容納袋之該容納空間中,該按摩球包括一個柔軟的球體,及數個加入該球體內並能產生遠紅外線的遠紅外線粒子。該球體可呈球狀、半球狀或球缺狀。通過該配戴帶將容裝有該按摩球之該容納袋配戴在該使用者上,可方便配戴使用,並容易調整按摩位置,以符合所需的按摩效果。