Zinc sulfate is mainly used as a raw material for producing pigment lithopone, lithopone and other zinc compounds, and also as a nutrient for animals when zinc is deficient, animal husbandry feed additive, zinc fertilizer (trace element fertilizer) for crops, man-made fiber Important materials for electrolytic production of metal zinc, mordants in the textile industry, medical emetics, astringents, fungicides, wood and leather preservatives, etc.