A fungicidal composition comprising synergistically effective amounts of (a) a carboxylic acid amide derivative, or its salt, that is at least one compound selected from the group consisting of N-[(3',4'-dichloro-1,1-dimethyl)phenacyl]-3-trifluoromethyl-2-pyridinecarboxamide, N-[(3',4'-dichloro-1,1-dimethyl)phenacyl]-3-methyl-2-thiophenecarboxamide, N-[(3',4'-dichloro-1,1-dimethyl)phenacyl]-1-methyl-3-trifluoromethyl-4-pyrazolecarboxamide, N-[[2'-methyl-4'-(2-propyloxy)-1,1-dimethyl]phenacyl]-3-trifluoromethyl-2-pyridinecarboxamide, N-[[2'-methyl-4'-(2-propyloxy)-1,1-dimethyl]phenacyl]-3-methyl-2-thiophenecarboxamide, N-[[2'-methyl-4'-(2-propyloxy)-1,1-dimethyl]phenacyl]-1-methyl-3-trifluoromethyl-4-pyrazolecarboxamide, N-[[4'-(2-propyloxy)-1,1-dimethyl]phenacyl]-3-trifluoromethyl-2-pyridinecarboxamide, N-[[4'-(2-propyloxy)-1,1-dimethyl]phenacyl]-3-methyl-2-thiophenecarboxamide, N-[[4'-(2-propyloxy)-1,1-dimethyl]phenacyl]-1-methyl-3-trifluoromethyl-4-pyrazolecarboxamide, N-[[2'-methyl-4'-(2-pentyloxy)-1,1-dimethyl]phenacyl]-3-trifluoromethyl-2-pyridinecarboxamide and N-[[4'-(2-pentyloxy)-1,1-dimethyl]phenacyl]-3-trifluoromethyl-2-pyridinecarboxamide; and (b) at least one fungicidal compound selected from the group consisting of an azole compound, an anilinopyrimidine compound, a triazolopyrimidine compound, a strobilurin compound, an N-halogenothioalkyl compound, a pyridinamine compound, a bicarbonate, an inorganic sulfur compound, a dithiocarbamate compound, an organic chlorine compound, a dicarboxyimide compound, an amine compound, a phenylpyrrole compound, a benzophenone compound, a piperidine compound, a dinitrobenzene compound, a morpholine compound, a cyanoacetamide compound, a phosphorous acid compound, an organophosphorus compound, a carboxamide compound, a quinoline compound, a copper compound, a carbamate compound, an antibiotic, a guanidine compound, an oxime ether compound, a 4-quinolinol derivative compound, a cyanomethylene compound, a quinazolinone compound and a benzoylpyridine compound, wherein the azole compound is selected from the group consisting of triflumizole, myclobutanil, cyproconazole, tebuconazole, hexaconazole, N-propyl-N-[2-(2,4,6-trichlorophenoxy)ethyl]imidazole-1-carboxamide, metconazole, epoxiconazole, prothioconazole, difenoconazole, tetraconazole, tricyclazole, oxpoconazole fumarate, cyazofamid, and hymexazol, the anilinopyrimidine compound is selected from the group consisting of mepanipyrim, pyrimethanil, cyprodinil, and ferimzone, the triazolopyrimidine compound is 5-chloro-7-(4-methylpiperidin-1-yl)-6-(2,4,6-trifluorophenyl)-[1, 2, 4]triazolo[1, 5-a]pyrimidine, the strobilurin compound is selected from the group consisting of azoxystrobin, kresoxim-methyl, trifloxystrobin, dimoxystrobin, and pyraclostrobin, the N-halogenothioalkyl compound is selected from captan and folpet, the pyridinamine compound is fluazinam, the bicarbonate is potassium bicarbonate, the inorganic sulfur compound is sulfur, the dithiocarbamate compound is mancozeb, the organic chlorine compound is chlorothalonil, the dicarboxyimide compound is selected from procymidone and iprodione, the amine compound is spiroxamine, the phenylpyrrole compound is fludioxonil, the benzophenone compound is metrafenone, the piperidine compound is fenpropidin, the dinitrobenzene compound is meptyldinocap, the morpholine compound is selected from dimethomorph and fenpropimorph, the cyanoacetamide compound is cymoxanil, the phosphorous acid compound is potassium phosphite, the organophosphorus compound is selected from the group consisting of fosetyl-Al and tolclofos-methyl, the carboxamide compound is selected from the group consisting of flutolanil and fenhexamid, the quinoline compound is quinoxyfen, the copper compound is copper oxychloride, the carbamate compound is selected from the group consisting of thiophanate-methyl, pyribencarb and propamocarb hydrochloride, the antibiotic is selected from the group consisting of polyoxins and kasugamycin, the guanidine compound is iminoctadine, the oxime ether compound is cyflufenamid, the 4-quinolinol derivative compound is 2,3-dimethyl-6-t-butyl-8-fluoro-4-acetylquinoline, the cyanomethylene compound is 2-(2-fluoro-5-(trifluoromethyl)phenylthio)-2-(3-(2-methoxyphenyl)thiazolidin-2-yliden)acetonitrile, the quinazolinone compound is proquinazid, the benzoylpyridine compound is selected from the group consisting of 4-(2,3,4-trimethoxy-6-methylbenzoyl)-2,5-dichloro-3-trifluoromethylpyridine, 4-(2,3,4-trimethoxy-6-methylbenzoyl)-2-chloro-3-trifluoromethyl-5-methoxypyridine, 3-(2,3,4-trimethoxy-6-methylbenzoyl)-5-bromo-4-chloro-2-methoxypyridine and 3-(2,3,4-trimethoxy-6-methylbenzoyl)-5-chloro-2-methoxy-4-methylpyridine.