At present, there is no clinical method to completely eradicate gray nails, gray nails are caused by fungal infections, the treatment of gray nails is mainly the use of topical antifungal drugs such as terbinafine cream, with oral antifungal drugs such as itraconazole capsule, if necessary, need to consider surgical treatment. 1. Topical antifungal drugs: gray nails are mainly caused by fungal infections, can be directed by the doctor to use topical antifungal drugs, commonly used in the clinic are terbinafine cream, amorphophallus nail application, etc., which is conducive to the killing of fungi, but also inhibit the growth of fungi to a certain extent, so as to improve the clinical symptoms. 2. Oral antifungal drugs: gray nail patients in the external antifungal drugs at the same time, need to cooperate with the oral antifungal drugs, clinically used drugs are mainly terbinafine tablets, itraconazole capsules, etc., is conducive to the killing of fungi, inhibit the growth of fungal reproduction, to reduce the clinical symptoms. All the above drugs should be used in accordance with medical advice. 3. Surgical treatment: If gray nails are more serious and the thickening of the nail is more obvious, the professional doctor can carry out surgical extraction treatment to remove the diseased nail, which is conducive to the improvement of gray nails. Suffering from gray nails should be taken seriously, it is recommended to consult a doctor as soon as possible, after a clear diagnosis, under the guidance of the doctor to actively carry out the treatment and conditioning.