The invention relates to a pesticide composition containing prothioconazole and triazoles, which comprises active ingredient A and active ingredient B, wherein active ingredient A is selected from prothioconazole, and active ingredient B is selected from cyproconazole , flusilazole, triconazole, wherein the weight ratio of active ingredient A to active ingredient B is 80:1 to 1:80, made into wettable powder, water dispersible granule, suspending agent, suspoemulsion, Water emulsion, microemulsion, used to control powdery mildew, sheath blight, fusarium wilt, leaf spot, rust, sclerotinia, net spot, sclerotinia, gray mold, black spot, brown spot, rust , scab, white rot, leaf rust, stripe rust, glume blight, leaf mold and other diseases, it has the characteristics of small dosage, resistance to rain erosion, and obvious synergy.