Feet itch when hot may be tinea pedis, may also be foot eczema, the cause of different treatments are different, such as topical or oral antifungal drugs, topical glucocorticoid ointment, etc., specific as follows. 1. Tinea pedis: often have foot blisters, flaking performance, obvious itching, may be fungal infection caused by tinea pedis, it is best to do a fungal examination to confirm the diagnosis, the treatment is usually topical ketoconazole cream, terbinafine cream and other antifungal preparations, stubborn people can take oral antifungal drugs such as itraconazole capsule. 2. foot eczema: the rash usually occurs symmetrically, fusion, acute erythema, papules, oozing and other manifestations, chronic manifestations of dryness and flaking, cracking, etc., acute choice of topical glycerine lotion, rubbing zinc oxide oil, chronic topical glucocorticosteroid ointment, such as halomethasone, with oral levocetirizine and other anti-allergic drugs. If the symptoms of itchy feet exist when the feet are hot, it is recommended to go to the hospital in a timely manner, after the doctor’s examination to clarify the cause of the disease before treatment. All of the above medications should be used in accordance with medical advice.