Gray nail that nail fungal disease, there is no so-called “gray nail fast and effective method”, the disease is stubborn and difficult to cure, and the recurrence rate is high, the clinic usually use topical medication, oral medication, physical therapy, etc. for treatment. Nail fungal disease is due to dermatophytes invade the nail plate and nail lesions caused by the nail, manifested in the nail plate discoloration turbidity, thickening, separation of atrophy, warping and other symptoms. 1. Topical medication: when the fungal infection involves the distal nails, you can soak the affected area in warm water, then use tools to scrape the diseased nails partially, and then use glacial acetic acid and tincture of iodine to apply externally, you can also use urea ointment, salicylic acid ointment to apply externally, and you can also use antifungal ointment locally, such as cyclobutrazolamide cream, amorphophine hydrochloride ointment, and so on. 2. Oral medication: Oral medication is mainly antifungal drugs, such as terbinafine, itraconazole, etc., which has antibacterial and antiseptic effects, and can effectively relieve the symptoms of gray nails. 3. Physical therapy: Fractional laser or Nd-YAG laser can help the drug penetrate and kill the fungus. All of the above drugs should be used under the guidance of a doctor. Gray nail patients should pay attention to cleanliness and hygiene in daily life, change clothes and socks diligently, dry bedding and bed sheets frequently, and do not share living supplies with others to avoid infection to others.