Chicken skin is also medically known as keratosis pilaris and may be related to factors such as genetics and vitamin deficiency. For patients with chicken skin on the arms, treatment can be carried out under the guidance of the doctor through the use of topical drugs or oral medication. 1. Topical medications: Commonly used medications to treat chicken skin include 0.1% retinoic acid cream, 3% to 5% salicylic acid ointment, 10% to 20% urea ointment, etc., which can soften and dissolve the keratin, thus achieving the purpose of treatment. 2. Oral medication: Oral medication is generally applied to the more serious symptoms of chicken skin, patients can take oral vitamin A or a small dose of vitamin A acid drugs, etc. to carry out treatment. For patients with chicken skin on the arm, it is recommended to go to the regular hospital in a timely manner, under the guidance of professional doctors for symptomatic treatment.