The causes of pain next to the ear include soft tissue infection next to the ear, swollen lymph nodes next to the ear, and inflammation of the facial nerve, as follows: 1. Soft tissue infection next to the ear: next to the ear belongs to the loose space of the body. Pain, mostly accompanied by fever, redness, swelling and other inflammatory manifestations, can be clarified by ultrasound and routine blood tests, and treatment requires the application of antibacterial drugs for symptomatic anti-inflammatory treatment; 2. Swollen lymph nodes next to the ear: there are lymph nodes next to the ear, and if the lymph nodes become inflamed, it can also cause pain next to the ear; 3. If the facial nerve becomes inflamed, edema, etc., it can also cause pain next to the ear. Since there are many causes of pain behind the ear, it is necessary to go to the quintuplegia department of a hospital in time to determine the cause and determine the appropriate treatment plan.