The invention discloses a copper abietate and zinc thiazole-containing bactericidal composition. Effective components, namely copper abietate and zinc thiazole, of the bactericidal composition are compounded, and the rest comprises auxiliary components, wherein the mass ratio of the effective components, namely copper abietate to zinc thiazole, in the pesticide composition is (1-50): (50-1); the mass percentage of the effective components, namely copper abietate and zinc thiazole, in the preparation is 1 to 80 percent, and the rest comprises pesticidally available and acceptable auxiliary components. The dosage form of the pesticide composition can be missible oil, a suspending agent, wettable powder, water dispersible granules, emulsion in water, granules and microcapsules, and the pesticide composition is mainly used for preventing and controlling rot of fruit trees, alternaria leaf spot, rice blast, soybean root rot, cucurbits fusarium wilt, cotton verticillium wilt, jujube rust, grapevine white rot, panaxpseudoginseng black spot, tea leaf tea gall, forest rot, citrus canker, bleeding disease, leaf cast, forest seedling blight, erwinia aroideae, pseudomonas lachrymans, bacterial rice leaf blight, apple ring spot viruses, fusarium asiaticum and the like.