A bag growing at the root of the ear hurts when pressed. Common causes may include folliculitis, lymphadenitis, lipoma and sebaceous cysts with infections, etc. The causes need to be identified and then treated with medication or surgery. 1. Conservative treatment: (1) A bag growing at the base of the ear hurts when pressed. If it is a recent phenomenon and the bag protrudes from the surface of the skin with redness and swelling, it can be considered to be folliculitis triggered by bacterial invasion into the hair follicle. Treatment is recommended to apply erythromycin ointment or mupirocin ointment, oral amoxicillin capsules, penicillin V potassium tablets and other drugs for treatment. (2) The patient said that if the bag grows on the inner side of the skin at the root of the ear, the shape is more regular, the mobility is better, and the condition is recently appeared, it can also be considered to be due to inflammation stimulation triggered by the lymph node enlargement manifestation. In this case, it is still recommended to use antibiotic drugs for anti-infection treatment, such as cefixime tablets, roxithromycin capsules and so on. 2. Surgical treatment: the root of the ear grows a bag a press on the phenomenon of pain if the long-term existence, wrapped by the normal skin, slow growth rate, shape is more regular, good mobility, can also be considered to belong to the lipoma or sebaceous cyst performance. After controlling the acute infection, surgical excision is usually recommended. After finding this symptom, it is recommended to actively consult a doctor for a clear diagnosis, and follow the doctor’s instructions to standardize the use of medication and treatment.