Ostomy bag for preventing contact dermatitis

The utility model relates to the technical field of ostomy bags. Particularly, the utility model relates to an ostomy bag for preventing contact dermatitis. The bag comprises a bag body, a stoma mechanism is arranged on the back surface of the top of the bag body; the bottom of the bag body is connected with a liquid discharging end; a heat insulation towel is arranged on the back surface of the bag body; first rough surface magic tapes are tightly sewed on two sides, close to the bag body, of the surface of the heat insulation towel through needles and threads; first hook-and-loop fasteners are tightly bonded to the positions, close to the first hook-and-loop fasteners, of the two side edges of the bag body, the first hook-and-loop fasteners are tightly bonded to the first hook-and-loop fasteners, second hook-and-loop fasteners are tightly bonded to the upper portion of the outer wall of the liquid discharging end, and second hook-and-loop fasteners are tightly bonded to the lower portion of the outer wall o