Small bumps around the ears of infants may be caused by lymphadenitis, lipoma, sebaceous cysts and other diseases, according to the cause of the disease to take appropriate measures, such as medication, surgical treatment to improve. 1. Lymphadenitis: Lymphadenitis is related to pathogen infection, which will lead to enlarged lymph nodes and manifest as small bumps. If it is caused by bacterial infection, it can be treated with cefadroxil. When localized abscess formation occurs, incision and drainage treatment is needed. 2. Lipoma: Lipoma is a kind of soft tissue benign tumor, which will appear as small bumps when it appears in the ear. Lipoma usually does not need special treatment, if it is large or affects the aesthetics, lipoma excision can be performed. 3. Sebaceous cysts: Sebaceous cysts are formed due to sebum stagnation, which can also lead to small bumps. When there is a local bacterial infection, you can take amoxicillin, cefaclor and other drugs to treat it, and when the inflammation is under control, you can undergo sebaceous cystectomy. Infants with small bumps on the ear side of the cause is more, need to timely examination, according to the cause of targeted treatment, the delay will affect the quality of daily life.