To surely fix, fasten and adjust an ice bag as against the lesion of a human body with respectively simple operations by piercingly providing the cap insertion hole of the ice bag at one end part of a belt body being freely extending/contracting possible and piercingly providing more than one ice bag fixing hole at the other end part in a same way.

The cap insertion hole 3 of the ice bag B is piercingly arranged in one end part 2 of the belt main body 1 being freely extending/contracting possible and, in the same way, the two ice bag fixing holes 5 and 6 are respectively piercingly arranged in the other end part 4 at prescribed interval. At the time of use, the cap C of the ice bag B is previously inserted to the cap insertion hole 3. The belt main body 1 is wound around a leg part in a state where the ice bag B is placed on the desired part of the human body, that is, the leg part and, then, the cap C of the bag B is inserted to one ice bag fixing hole 5 and the bag B is fixed to the leg part. In this case, the cap C is inserted again to the other ice bag fixing hole 6 so that fastening by the belt main body 1 can be strongly adjusted.