Ear growth bumps may be caused by ear scar hyperplasia, also known as keloid, which can be treated by medication, surgery and physical therapy. 1. Medication: patients can use oral medication, such as Trinilast, and intradermal injection medication, such as Triamcinolone acetonide and Betamethasone, etc., under the guidance of the doctor for treatment. 2. Surgery: For patients who are ineffective in drug treatment and have large hyperplastic bumps, they can be treated by direct excision and suture, flap transplantation, soft tissue expansion and so on. 3. Physical therapy: patients can also be treated by ion beam therapy, laser therapy, silicone gel sheet dressing and other ways of physical therapy. It is recommended that patients strictly follow the doctor’s instructions for medication, actively cooperate with the doctor’s treatment, usually strengthen self-protection, conscious protection of the scar, avoid trauma and scratching the affected area.