The fungus of foot odor can persist on shoes for a long time if it is a humid environment. The fungus of foot odor is highly contagious and the fungus may persist for a long time if the environment is humid. People with foot fungus can apply topical ketoconazole, econazole or oral antifungal medications such as itraconazole, following the instructions of the medication or following the doctor’s instructions for proper use. In daily life, pay attention to foot hygiene, wash your feet diligently, keep your feet dry, wash your feet and dry them with a towel in a timely manner, you can also wear loose, breathable and sweat-absorbent shoes and socks, shoes and socks can also be used to sterilize after cleaning in the sun. The fungus of foot odor should follow the doctor’s instructions for the correct use of medication to reduce the recurrence of foot odor.