The ear is an important organ of the human body, not only in relation to hearing, but sometimes also in relation to the aesthetics of appearance. The hard pack behind the ear generally does not need to be treated, but serious cases can be examined at a regular hospital. There are two common conditions for hard pack behind the ear: a. Sebaceous cysts Sebaceous cysts are more common in the ear, especially in the earlobe area. In general, if the hard pack behind the ear is not obvious or small, you can consider anti-inflammatory plus conditioning treatment and avoid eating spicy and stimulating foods. Don’t pay too much attention to it, and don’t touch it too often, or it will trigger inflammation of the sebaceous cysts. You should not try to take some amoxicillin tablets for anti-inflammatory purposes on the advice of others, but it is better to take the medicine under the guidance of a doctor. The sebaceous gland cysts are mostly seen in teenagers, especially unmarried men, because they are in their adolescence, they are energetic, and at the same time the secretion is stronger, so when sebum is not cleared in time, it tends to accumulate behind the ears, and over time it will form sebaceous cysts. In general, if you pay attention to hygiene in your daily life and remember to clean the exterior of your ears when washing your face, it can disappear without cure. If the sebaceous cyst is abnormal, you should never rush to deal with it yourself. You must go to the hospital to confirm the diagnosis, and if the doctor recommends removal, the patient should not worry, it is a relatively minor surgery. Second, the swollen lymph nodes If the lymph nodes are inflamed, you must go to a regular hospital for relevant examination, because the inflammation of the lymph cure may be affected by surrounding diseases, such as otitis media, infection of the scalp, etc. Swollen lymph nodes are usually located on the surface of the bone in the middle of the back of the ear, under the skin, and are caused by bacterial infection or viral infection after the body’s immune system has killed the virus. Generally, no treatment is needed, but if needed, it is best to take anti-inflammatory drugs under the guidance of a professional doctor.