There is provided a gel sheet that has high biocompatibility and safety, can contain both a hydrophilic medicinal agent and a hydrophobic medicinal agent, and provides an excellent feel in use during the application onto human skin or others. A gel sheet including: a lipid peptide gelator including a low molecular weight lipid peptide having a molecular weight of 1,000 or less or a pharmaceutically usable salt of the lipid peptide and a polymeric compound, wherein the polymeric compound is included in an amount of more than 1% (w/w) and less than 50% (w/w) with respect to the total mass of the gel sheet.