It is a broad-spectrum organic sulfur fungicide, one of the earliest agricultural fungicides, and has been used for nearly 70 years. Zinc is easily oxidized into active thiocyanate compounds in water, which has a strong inhibitory effect on sulfhydryl-containing enzymes in pathogens, and directly kills pathogen spores and prevents their invasion. Therefore, it only has a preventive effect on crop diseases, and its treatment ability is very weak. Protective fungicide for foliage, mainly used to prevent and treat various fungal diseases of crops such as wheat, vegetables, grapes, fruit trees and tobacco. Daisenzinc can prevent and treat diseases caused by a variety of fungi, but has poor effect on powdery mildew.