Bumps behind the ears are commonly known as sebaceous cysts, and some patients are prone to secondary infections, forming abscesses, and patients may also experience significant pain and fever, requiring further surgery for incision and drainage if necessary. If the sweat glands around the auricle are obstructed, obstructed, or not open, it is easy to develop secondary infections, which can lead to the formation of an abscess, and the patient should pay attention to local hygiene. There are also patients who suffer from localized lymph node enlargement, which may cause localized pain and discomfort. Many patients suffer from localized soft tissue infections, and the patient’s symptoms can gradually improve with timely anti-infection treatment.