The treatment of onychomycosis follows the nail growth cycle and is a long-term process. It takes 6-8 months for fingernails to grow and 9- 12 months for toenails to grow. If the infected area of the deck is less than 60%, topical nail removal for 2-6 months can achieve good curative effect. If the infected area exceeds 60%, it will take a long time, which varies from person to person, and some even take a year to use the medicine. Insist on medication and correct medication is the key.