A pressure relief pad for preventing pressure ulcer includes a pressure relief layer, comprising a foam structure for evenly dissipating forces applied to the skin； a thin film layer that is a hydrophilic thin film structure for attaching to the skin, wherein the thin film layer comprises a first surface and a second surface, and one surface of the pressure relief layer is connected to the second surface of the thin film layer such that the pressure relief layer is disposed on the thin film layer； and a release paper, comprising a smooth surface and a rough surface, wherein the first surface of the thin film layer is attached to the smooth surface of the release paper and disposed on the release paper, and the release paper comprising a pre-determined pattern. The pressure relief layer, the thin film layer and the release paper have a same shape. The pressures relief pad may reduce the pressure force and the shear force applied to the skin to prevent the pressure ulcer from occurring.本發明提供一種預防壓瘡之減壓墊，其包含：減壓層，係多孔泡棉結構以用於均勻分散來自物體對皮膚施加的作用力；薄膜層，係親水性薄層結構以與皮膚接觸，該薄膜層包含第一面及第二面，該減壓層之一面係與該薄膜層之該第二面接觸使該減壓層設置於該薄膜層上；以及離型紙，其包含光滑面與粗糙面，該薄膜層之該第一面與該離型紙之該光滑面接觸並設置於該離型紙上，且該粗糙面包含預設圖案，其中，該減壓層、該薄膜層與該離型紙具有相同形狀。本發明之減壓墊可有效減低外在物品對皮膚施加的壓力和剪力，以防止壓瘡產生。
