After playing the ear hole long small bumps usually because of local allergies, ear hole inflammation and scar proliferation and other reasons. 1. Local allergies: If the earrings worn by allergic people after ear piercing are not made of real gold or silver, it may lead to allergies at the wound, histamine and other immune factors can stimulate the local capillary expansion, and small bumps and itching around the ear piercing will occur. 2. Inflammation of the ear hole: after piercing the ear, if there is no strict disinfection or wear unclean earrings, resulting in inflammation of the ear hole, inflammatory factors to stimulate the local tissue edema, thus causing small bumps after piercing the ear. 3. Keloid hyperplasia: especially keloid, after ear piercing, the body will automatically recognize the ear piercing as a trauma, the ear piercing may grow around the repair of scarring like small bumps. If you have small bumps after ear piercing, you should go to the regular hospital in time to find out the cause of the disease, and under the guidance of a professional doctor to choose a suitable method of treatment.