Foot fungus is caused by fungal infection, for winter recurrence of foot fungus need to pay attention to avoid wearing the same pair of shoes every day, choose shoes with good breathability, do not choose shoes with poor breathability and cover the feet, at the same time can choose topical antifungal drugs for treatment. If it is the hyperkeratosis type, sometimes it is also necessary to cooperate with oral antifungal drugs for treatment, such as good occurrence in the heel cracked foot odor, it is best to use cling film after the use of topical drugs to promote the absorption of drugs. If no relief is seen even after using cling film, try oral antifungal itraconazole, terbinafine or fluconazole for treatment, and be sure to pay attention to moisturizing the skin of the foot with a mild, moisturizing cream for topical application.