There's a pimple behind the baby's ear. What's wrong?

Baby ears behind a small pimple, may be congenital development problems caused by, and accessory ears. This symptom may also be local cysts, subcutaneous fat particles caused. Suggestions: family members can take the baby to the hospital for examination, determine the cause of treatment. If local pimple affect the appearance, family members can take the baby to the hospital for surgery.