Treatment of gray nails can be done through medication, surgery, physical therapy and other methods of treatment. The effectiveness of the treatment is affected by the severity of the disease, the treatment program and other factors, there is no such thing as the most effective method. If you need to use drugs, you need to use them under the guidance of your doctor. 1. Medication: Commonly used topical medications include Amorphophallus and Ciclopirox. Systemic drugs include terbinafine and itraconazole. Oral antifungal drugs need to monitor the liver and kidney functions during the medication. 2. Surgical treatment: When the efficacy of topical and systemic medication is unsatisfactory, it can be treated by nail extraction or nail removal. 3. Physiotherapy: Commonly used physiotherapy includes laser therapy, photodynamic therapy and ionic introduction therapy, but they are generally used as adjunctive or alternative treatments. If medication is needed, it should be used under the guidance of a doctor.