Goosebumps may be related to physical factors such as stress or fear, and may subside on their own. It may also be caused by hereditary keratosis pilaris, which needs to be treated with topical or oral medication. 1. Physiological factors: goose bumps will appear on the skin when people are under tension, fear, cold, etc. They are temporary and will disappear when the body relaxes. 2. Keratosis pilaris: related to heredity, you can use salicylic acid ointment, Vitamin A acid ointment, urea cream and other medications, the more serious can be taken orally Vitamin A acid drugs. It is recommended to go to the regular hospital dermatology consultation, under the guidance of the doctor to use drugs.