Chicken skin on the legs is considered to be keratosis pilaris, which usually requires no special treatment. It can be regulated by topical and oral medications. The etiology and pathogenesis of keratosis pilaris are not very clear, and may be related to genetic factors, vitamin A deficiency and metabolic disorders. 1. Topical drugs: you can use topical retinoic acid cream, salicylic acid ointment, urea ointment for local softening and dissolution of keratin, thus improving the symptoms. 2. Oral medication: severe cases can take oral vitamin A, vitamin E, vitamin A acid drugs to regulate. Keratosis pilaris should go to the regular hospital dermatology examination in a timely manner, under the guidance of the doctor with medication.