Amorolfine Hydrochloride Cream does not include gray nails in its indications, and Amorolfine Hydrochloride Applicator is only used to treat gray nails. Amorphophallus Hydrochloride Application is used to treat gray nails by applying it directly to the surface of diseased nails 1~2 times a week for about 6~12 months. Application method: Gray nails are also called nail fungus disease. When choosing Amorolfine Hydrochloride Application to treat nail fungus disease, remove as much of the diseased nail as possible, and then apply the medicine evenly on the surface of the diseased nail as well as around it, about 1~2 times a week. Duration of treatment: The duration of treatment for nail fungus disease with Amorolfine Hydrochloride Application is about 6 months; for toenail fungus disease, the duration of treatment with Amorolfine Hydrochloride Application is about 9~12 months. Adverse reactions: The most common adverse reactions during treatment with Amorolfine Hydrochloride Application are localized burning sensation of the skin, erythema, flaking and so on, which can be generally tolerated without stopping the drug. A small number of people may experience oozing, blisters and pain, and if the symptoms are severe, the drug treatment should be suspended. Contraindications: Amorphophallus Hydrochloride is contraindicated in people who are allergic to the ingredients of the drug, pregnant women and breastfeeding women. In order to ensure the safety of the drug, it should be used under the guidance of a doctor or in strict accordance with the instructions for use of the drug.