PROBLEM TO BE SOLVED: To provide a sheet-like pack agent which is excellent in uniformity, cohesion and adhesion of a base layer, adhesion to the skin and sense of use during using even when a relatively large amount of an oil component is incorporated and sufficiently alleviates the pain when peeled off.SOLUTION: There is provided a sheet-like pack agent which comprises a support layer and a base layer, where the base layer comprises a hybrid gel in which an oil gel is included in a hydrogel and a polymethyl acrylate-2-ethylhexyl acrylate copolymer, the hydrogel comprises a water-soluble polymer, water and a crosslinking agent, the oil gel comprises at least one selected from the group consisting of a polyhydric alcohol fatty acid ester and a fatty acid and a dextrin fatty acid ester and the content of the polymethyl acrylate-2-ethylhexyl acrylate copolymer in the base layer is 1.77 to 5.90 mass%.SELECTED DRAWING: None
