To provide a plaster cast which can prevent the occurence of dermatosis as the affected part is fixed for a long period, maintain the cleanliness, prevent an injury or odor when the plaster cast is disassembled, improve the healing power on the affected part, decrease the physical burden and make the emergency treatment more easily.SOLUTION: A cylindrical plaster cast made of resin material packed with air and gas, a cylindrical plaster cast having liquid or gelatinous medicine fixed by cylindrical resin material, magnets connecting the plaster casts, an injection hole for filling air and gas into the plaster cast, and an injection hole and stop valve for filling the medicine are provided.SELECTED DRAWING: Figure 1【課題】患部周辺が長期間固定される事による皮膚病発症の抑制、清潔維持、ギプス解体による怪我や悪臭の防止、患部の治癒力向上と身体的負担の軽減、応急処置が容易になるギブスを提供する。【解決手段】空気やガスを充填した樹脂素材で形成した筒状のギプスと、液状またはゲル状の薬剤を筒状の樹脂素材で固定した筒状のギプス、ギプス同士を連結させる磁石、ギプスに空気やガスを充填する為に用いる注入孔、薬剤注入のための注入孔、止水栓を設ける。【選択図】図1