The solar cell sealing film according to the present invention includes ethylene-methyl methacrylate copolymer, a crosslinker and a silane coupling agent, wherein the crosslinker is contained in an amount of 0.05 to 0.7 part by weight, based on 100 parts by weight of the ethylene-methyl methacrylate copolymer, and the silane coupling agent is contained in an amount of 0.1 to 0.7 part by weight based on 100 parts by weight of the ethylene-methyl methacrylate copolymer, and wherein the ethylene-methyl methacrylate copolymer has a methyl methacrylate content of 25 to 35% by weight.