Allergic feet that are red and itchy can be dealt with by removing allergens, life care, and applying medications. 1. Remove allergens: find and get rid of allergens, such as irritating ointments, wash and dry shoes and socks, and avoid humidity. 2. Life care: use medical mild skin care products such as urea cream, avoid the use of irritating lotions to help consolidate the skin barrier. 3. Application of drugs: often used 3% boric acid solution, stove Gan lotion, etc.; allergy is more serious can be used externally with hormones such as dexamethasone ointment, etc.; red itchy symptoms are also serious oral anti-allergy drugs, such as loratadine, cetirizine, chlorphenamine maleate tablets, etc., and oral glucocorticoids such as prednisone, etc.; such as the existence of skin lesions infected with topical antibiotics such as mupirocin ointment, etc.. Foot allergies and red and itchy suggest timely consultation, under the guidance of the doctor to carry out standardized treatment, to avoid delaying the condition.