Shuyinke, also known as zinc pyrithione antibacterial spray, is hormone-free. Zinc pyrithione antibacterial spray is a kind of topical medicine for skin infection, the main ingredients are zinc pyrithione, pittosporum, serpentine, salvinorin, menthol and so on, it is hormone-free. It has anti-inflammatory and bactericidal effects, and has strong bacteriostatic effects on Staphylococcus aureus, Candida albicans and Escherichia coli. Zinc pyrithione antibacterial spray is limited to external use, and standardized use under the guidance of a doctor, to avoid direct contact with the conjunctiva, etc., pregnant and lactating women, children should be prohibited from using the drug, the use of drugs during the emergence of skin redness, swelling, pain, aggravation of the infection, etc., should be promptly discontinued and seek medical attention. Accidental swallowing and inhaling can cause poisoning, nausea, vomiting and anemia. The drug should be used under the guidance of a doctor.