Gray nails that is the ringworm of the common name, white vinegar bubble garlic treatment ringworm belongs to the recipe, no scientific basis. Tinea cruris is a disease caused by fungal infection of the nail plate and subnail tissues. The treatment is based on antifungal drugs, including local drugs and systemic drugs. Because local drugs are difficult to penetrate the nail plate, they are usually used in combination with systemic drugs. Commonly used local drugs are amorolfine, cyclopamine, etc. Commonly used systemic drugs are terbinafine, itraconazole, fluconazole, etc. The specific use of drugs has individual differences. There are individual differences in the use of specific drugs, and should be used in accordance with medical advice. Nail fungus treatment is more difficult, need to adhere to the use of drugs, do not listen to biased prescription treatment.