According to the description of the symptoms, it is likely to be tinea pedis infection, and the infecting fungus may be red moss, white moss and other fungi. For fungal infections, first consider applying antifungal medication for topical application, which can be applied topically with ketoconazole, econazole, dakinon ointment and so on. If the wound has ulceration with bacterial infection, you can also use 5% boric acid solution for wet compresses and other treatments, and then use antifungal drugs for external application after infection control. In addition can be combined with the application of antifungal drugs, such as itraconazole, ashwagandha and other oral. We must also pay attention to the local do not scratch, massage, hot compresses, physiotherapy, so as to avoid the spread of fungal metastasis, while keeping the feet dry, changing insoles socks, more fresh vegetables, fruits, avoid eating spicy, stimulating food.