Azole fungicide, sterol demethylation inhibitor. It not only has the functions of protection, treatment and eradication, but also has broad-spectrum, systemic and top-conducting antifungal activities. It has good effect on Ascomycetes, Basidiomycetes and Deuteromycetes diseases such as rust, powdery mildew, scab and cercaria. Dressing 100kg of seeds with 20-40g of active ingredients can prevent and cure smut and smut of cereal crops; dressing seeds with 15-20g of Chemicalbook active ingredients can prevent powdery mildew, stripe rust, stem rust, stem rust, cloud Sheath disease, leaf blight; 0.225～0.6g active ingredient/100m2 for foliar spray can prevent and cure powdery mildew, stripe rust and leaf rust of cereal crops. In addition, it can also be used to control grape powdery mildew, apple black rot, rust and powdery mildew, early and late leaf spot of peanuts, as well as white stem rot and rust.