Thigh goosebumps consider with physiological factors and keratosis pilaris and other pathological factors. 1. Physiological factors: for entering the cold environment or see dense objects, will reflexively cause the skin erector spinae muscle contraction, which in turn causes thighs, arms or goose bumps all over the body, generally to be stimulated to disappear after the symptoms can be relieved, this is a physiological phenomenon. 2. Pathological factors: such as keratosis pilaris, this disease is due to genetic, endocrine and other factors caused by chronic follicular keratosis pilaris, the patient is mostly manifested as a needle tip or corn size follicular pimples, the local skin is relatively rough, and occasional itching and other symptoms. For patients with goose bumps on the thighs, it is recommended that they go to the dermatology department of a regular hospital to clarify the cause of the disease and then actively treat it under the guidance of the doctor.