White superficial gray nail is mainly caused by Candida infection, in clinical treatment, as this disease invades the nail plate is mild, you can choose to apply topical medication, usually need to apply a file to gently rub the affected area to make the affected nail plate thin, and apply amorolfine hydrochloride application 2 times a week spot, and can be combined with the application of clobetamine ointment, terbinafine hydrochloride gel for application, after the application of the choice of sterile After application, choose sterile film to wrap the affected area to promote the absorption of the drug. If there is still no significant improvement, oral itraconazole capsules and fluconazole capsules can be used for treatment.