After the appearance of allergy symptoms in the neck area can appear in many forms such as erythema, papules, blisters, large vesicles, vesicles, exudation, itching, crusting, hyperplasia, etc. Different treatments need to be chosen depending on the form. Simple appearance of erythema and papules can choose to apply mometasone furoate ointment 2 times/day, which will soon subside the symptoms. If blisters appear, large blisters can be disinfected and aspirated, you can apply zinc oxide ointment can make the blisters dry faster, after the skin surface is free of blisters apply Denide cream 2 times / day. If local erosion and exudation occur you can choose to use saline soaked sterile gauze, 2 times/day wet compresses, 15-20 minutes each time, after 2-3 days the epidermis will dry, then apply fluticasone propionate ointment. If changes such as crusting and hyperplasia occur you can apply compound lactic acid cream every morning and hydrocortisone butyrate cream every evening. If itching symptoms cannot be controlled by topical medications, they can be improved with oral cetirizine tablets.