Claim 1: a fungicide ingredient consisting of a mixture of ingredients (a) and (b) as active ingredients, wherein component (a) is a formula compound (1) or a salt, N-oxide, symmetrical isomer, corresponding isomer or tautoro acceptable from the perspective of agricultural chemicals； And component (b) was selected from the following sources: benzovandivrupir, isopirazam, pidiv lumetofen, azol Robina, diphenol, protoconazole, chlorthalam, fenpropandine, methyl benzoate, cloprolidone, fenpropardinol, hexachlorocyclohexane, benzyl alcohol, benzyl alcohol, diazepam, pyridyl alcohol, pyridyl, pyridyl, pyrrolone, pyrrolone, pyrrolidone, Metalaxil-M，Oxadixil，Oxativiplina，Paclobutrazol, azufe, tiabendazol, Aspergillus flavus NRL 21882 (AFLA guard?) or Bacillus subtilis var. amyloliquefaciens CEPA fzb24 (taegro?). Claim 2: the composition in accordance with claim 1, i.e. component (a) is a formula (2) or a salt, nitrous oxide or a ceramic strength meter acceptable from the perspective of agricultural chemicals. Claim 4: the composition is consistent with any one of claims 1 to 3, wherein the weight ratio of (a) to (b) is 100:1 to 1:100, preferably 50:1 to 1:50. Claim 6: composed according to any one of requirements 1 to 5,Among them, component (b) is a compound selected from benzodiazepine, isopyrazol, pyrazone, metophane, dibenzodiazol, preferably benzodiazobenzofuran, chlorthalonil, pyrrolutophene and sub velocity chemicals. Claim 8: under any one of claims 1 to 7, the composition contains an additional active ingredient principle (c),This is different from component (b),They were selected from the following groups: benzovenadivrupir, isopiratham, pidiv lumetofen, azorubinya, diphenoxazole, protyconazol, chloralonia, fenpropandin, acibenzol-s-methyl, cibroconazol, ciprodinil, phenylpropylmof, propranozol, hexachlorocyclohexane, penconazol, pirifenox, fludoxonil, piroquilona, tricyclopazole, fluazinam, mandip ó n, midaxil, metalxil, Metalaxil-m, oxadixil, oxatiapirolina, pa
