PROBLEM There are provided a composition for controlling plant diseases and a method for controlling plant diseases having excellent control effect for plant diseases. SOLUTION A composition for controlling plant diseases comprising, as active ingredients, a compound represented by formula (1), wherein X1 represents a methyl group, a difluoromethyl group or an ethyl group； X2 represents a methoxy group or a methylamino group； and X3 represents a phenyl group, a 2-methylphenyl group or a 2,5-dimethylphenyl group, and at least one azole compound selected from the group consisting of bromuconazole, cyproconazole, difenoconazole, fenbuconazole, fluquinconazole, hexaconazole, imibenconazole, ipconazole, myclobutanil, prothioconazole, simeconazole, tetraconazole, triticonazole and metconazole.
