Bactericidal composition containing pyrimorph and boscalid

The invention discloses a bactericidal composition containing pyrimorph and boscalid, and belongs to the technical field of pesticides. The weight ratio of pyrimorph to boscalid, which serve as effective active ingredients, is 1:30 to 30:1. The effective active ingredients, namely pyrimorph and boscalid, are compounded to use, and due to different bactericidal mechanisms of the two ingredients, the two ingredients generate no contradiction if being mixed and have a good synergistic effect within a certain range when being compounded. Additives and fillers are added into the active ingredients to prepare wettable powder, water dispersible granules and suspension agents. The bactericidal composition is mainly used for preventing and treating oomycetes diseases of vegetables and fruit trees, and can be used for delaying the generation of pathogen resistance, and the production cost is lowered.