Compound bactericide containing natamycin and uses of same

The invention discloses a compound bactericide containing natamycin, which comprises components with weight fractions as follows: 10 percent to 90 percent of components A and 90 percent to 10 percent of components B, wherein the components A are natamycin and the components B are carbendazim, imazalil or prochloraz; and the compound bactericide can be prepared into an emulsion type bactericide or a power/grain type bactericide. The compound bactericide is used for preventing and curing storage period diseases of fruits during postharvest treatment or used for preventing and curing growing period diseases of crops, wherein the storage period diseases of the fruits mainly refer to citrus blue mold or citrus green mold, and the growing period diseases of the crops mainly refer to wheat scabs or rice bakanae diseases.