The present invention provides: a plant disease control composition having an exceptional plant disease control effect, said composition containing the compound represented by formula (1), the compound represented by formula (2), and a compound represented by formula (3) (where a combination of R1, R2, R3, and R4 represent: a combination in which R1 is a methyl group, R2 is a trifluoromethyl group, and R3 and R4 are both fluorine atoms； or a combination in which R1 and R2 are both difluoromethyl groups, R3 is a chlorine atom, and R4 is a methanesulfonyloxy group)； and a plant disease control method comprising a step for applying effective amounts of the compound represented by formula (1), the compound represented by formula (2), and a compound represented by formula (3) onto plants or onto soil for cultivating the plants.
