A small bump on the inner wall of the ear needs to be treated according to the specific cause, such as sebaceous cysts, boils on the external auditory canal, external auditory canal redundancy, etc. After diagnosis, general treatment, medication, surgery and other methods are chosen. 1. Sebaceous cysts: Sebaceous cysts can be induced by the sebaceous glands in the inner wall of the ear, which lead to blockage of the pores. If there is no obvious symptom, no treatment can be taken, only need to pay attention to daily diet and skin care. If there is persistent enlargement, surgery can be chosen to remove it. 2. External auditory canal boil: a small lump on the inner wall of the ear may also belong to the external auditory canal boil, the acute stage can choose antibiotic drugs, such as amoxicillin, cefdinir, with local application of erythromycin ointment. If an abscess is formed, the abscess needs to be incised and drained out. 3. External auditory meatus: a small lump on the inner wall of the ear may belong to the external auditory meatus, usually there is no obvious pain, if the persistent increase can choose to surgically remove. There are many reasons why the inner wall of the ear grows a small lump, after the appearance of symptoms, it is recommended to go to the hospital in a timely manner to improve the examination, under the guidance of the doctor to take treatment, do not take the treatment, so as not to lead to adverse consequences.