A skin moisture-preservation means includes essentially of a foundation layer which is a thin lay made of PU material with capability of water-proof, transparency, and permeability, a supporting layer which adheres to one side of said foundation layer and is made of elastic and extensible materials, and an absorbing layer which connects to another side of said supporting layer and contacts with the skin of a subject matter, said absorbing layer is made of hydrogel which includes water, acrylamide, acrylate copolymer, and glycerin or glycerol.一種皮膚保溼膜,係主要包括一基底層,係由PU材質之薄膜所構成,致使該基底層具防水、透明與透氣之作用,於該基底層之一面上係黏著一支持層,該支持層係由具彈性、延展性之材質製成,最後,於該支持層之另一面上設有一滲出液吸收層,該滲出液吸收層係直接貼附於皮膚上,另,該滲出液吸收層係由一水膠組成物所組成,該水膠組成物之成份更包括水、丙烯酰胺衍生物、丙烯酸酯類衍生物及甘油。1‧‧‧保溼膜載體10‧‧‧基底層12‧‧‧支持層14‧‧‧滲出液吸收層