Gray nail general nail fungal disease, nail fungal disease on the hand is mostly caused by fungal infection, gray nail on the hand early can be treated by drugs, with manicure, life hygiene and other daily care. 1. Medication: Early stage of gray fingernails can be treated with oral itraconazole, terbinafine and other drugs, together with topical amorphophallus powder, 30% glacial acetic acid, or medical iodine povine, and other treatments for diseased nails. The use of medication should be directed by a doctor. 2. Trimming the nails: Before applying medication for gray fingernails, you can use a manicure knife to cut the nails short and thin them, so that the topical medication can fully penetrate into the sick nails and play a better effect. 3. Life hygiene: patients with gray fingernails should pay attention to personal hygiene, wash their hands diligently every day, and carefully disinfect their hands. Usually pay attention to protect the nails, less use the affected nails to contact unhygienic things. When you find gray fingernails on the hands, you can also go to the regular hospital dermatology department in time.