Goosebumps on the legs may be caused by emotional excitement, stimulation and other physiological factors, may also be caused by keratosis pilaris, can be eliminated through general treatment, medication and other ways to address the cause of the disease. 1. Physiological factors: emotional excitement, such as nervousness, excitement, or hot and cold stimulation, will lead to goose bumps on the legs, is a normal phenomenon, will disappear after the emotional stability, should be avoided again by the stimulation. 2. Keratosis pilaris: goosebumps on the legs may be a manifestation of keratosis pilaris, can be applied under the guidance of a doctor 0.1% retinoic acid cream, 3% to 5% salicylic acid ointment and other keratolytic topical medications, can be removed from the keratin, so as to eliminate the goosebumps on the legs. There are many causes of goose bumps on legs, after excluding physiological factors, patients are advised to go to the hospital, clarify the cause of the disease, and standardize the treatment under the guidance of doctors.