Dakinin refers to miconazole nitrate cream, and the proper application of its treatment for gray nails is as follows: Due to the external application of therapeutic drugs can not better penetrate the entire nail plate, resulting in limited therapeutic effect, so before applying the use of warm water to soak the feet, try to soften the nails, followed by gently scraping the nail plate, so that it is as thin as possible, and then apply miconazole nitrate cream, and then the use of sterile gauze wrapped, try to make the drug can be fully absorbed by the nail. As the external application of drugs has limited effect on the treatment of gray nails, it is recommended that patients undergo systematic drug treatment, mainly oral antifungal drugs, such as itraconazole capsules, fluconazole capsules, terbinafine hydrochloride tablets and so on. The above drugs have side effects and should be used strictly under the guidance of a doctor, and it is recommended that patients seek medical treatment in a timely manner.