Head-mounted mandible ice bag

The utility model relates to the technical field of ice bags. The utility model relates to an ice bag, in particular to a head-mounted mandible ice bag. Headgear comprising a headgear body, two binding belts are symmetrically arranged at the two ends of the head sleeve body. The ends, away from the headgear body, of the binding belts are connected with Velcro; ear openings are symmetrically formedin the two sides of the head sleeve body. A first fixing sheet is arranged at the bottom of the head sleeve body; one side of the first fixing sheet is rotationally connected with a second fixing sheet; zippers are connected to the peripheral rings of the first fixing piece and the second fixing piece, a thermometer is connected to the side, away from the hood body, of the second fixing piece, the first fixing piece and the second fixing piece comprise waterproof layers, heat preservation layers are connected to one sides of the waterproof layers, and wear-resisting layers are connected to the sides, away from the wa