Foot fungus refers to tinea pedis, patients with tinea pedis has ulcerated is not recommended to directly wipe the medicine. Tinea pedis is a disease caused by fungal infection of the skin of the foot, patients will appear local blisters, vesicles oozing, flaking, itching and other symptoms. If the patient’s tinea pedis is already ulcerated, it may be accompanied by local oozing, or even secondary bacterial infection, causing redness, swelling and fever, etc. If you directly wipe the medicine may stimulate the wound and aggravate the condition, so it is not recommended to directly wipe the medicine. Patients can follow the doctor’s instructions to first use boric acid solution, lactic acid isacridine solution, such as wet compresses and other exudation reduction, and then give powder, such as zinc oxide powder, miconazole powder, etc., so that the lesions convergence and dryness. Finally, antifungal drugs such as terbinafine hydrochloride ointment and bifonazole ointment are used. When the patient suffers from athlete’s foot with ulceration, it is recommended to go to the hospital in time. The above drugs should be used according to the doctor’s prescription, not self-medication.