If the patient’s subauricular lymph nodes become enlarged, it is due to bacterial infection, or it may be due to inflammation in the patient’s adjacent tissues and organs, which involves the lymph nodes under the ear and becomes enlarged. In terms of treatment, the main thing is to actively reduce inflammation. Patients can use amoxicillin injection or ceftriaxone injection or cefuroxime sodium injection for anti-inflammation, and active treatment for about a week, the swollen lymph nodes under the patient’s ear will improve to a certain extent, and a skin test is needed before using the medicine. If the patient is allergic to both cephalosporin and penicillin, he can also use with azithromycin or levofloxacin IV, which can also effectively reduce the patient’s inflammation. During the treatment period, the patient can also cooperate with swelling and pain capsule or Liushen pill to reduce the swelling of the patient’s lower lymph nodes, and the patient’s condition will be significantly improved after active treatment.