Water emulsion composition containing SYP-Z048 bactericide

The invention belongs to the field of pesticides and specifically relates to a bactericidal water emulsion composition. The composition is a water emulsion prepared from SYP-Z048 used as an effective component, wherein the content of SYP-Z048 is 1-40 wt%. drug effect of the water emulsion is equal to that of missible oil. The composition provided by the invention is used in controlling tomato, cucumber and grape gray mold, powdery mildew of wheat and cucumber, scab of cucumber, or rice blast and rice sheath blight, etc.