Medicine for treating cucumber downy mildew and target leaf spot mixed complication

The invention relates to a medicine for treating a cucumber downy mildew and target leaf spot mixed complication, and belongs to the technical field of pesticide preparation and application. The medicine for radically treating the cucumber downy mildew and target leaf spot mixed complication facilitates matching, comes into effect rapidly, and has no side effects. According to the technical scheme, the medicine comprises, by active ingredients (a.i.), 10 g to 30 g of mancozeb, 1 g to 3 g of tebuconazole, 1 g to 2 g of fluopicolide, 10 g to 20 g of propamocarb and 3 g to 10 g of thiediazole copper; when the medicine is used, the ingredients are mixed with water to form a water dispersible granule for conducting spraying working, wherein the weight ratio of the active ingredients to water is 1: 300-400.