Massage pain behind the ear, consider that it may be related to postauricular lymphadenitis, sebaceous cyst with infection, acute mastoiditis and other diseases. 1. Behind-the-ear lymphadenitis: when the surrounding area skin infection or respiratory tract inflammatory infectious diseases (such as rhinitis, sinusitis, pharyngitis, etc.), can lead to inflammatory reaction of the lymph nodes behind the ear, in addition to the symptoms of lymph nodes behind the ear will be swollen, but also lead to the symptoms of pain when you press the back of the ear. 2. Sebaceous cysts with infection: When sebaceous cysts appear behind the ear, if inflammation occurs due to infection, it can lead to pain when pressing the back of the ear. 3. Acute mastoiditis: When acute suppurative otitis media invades the mastoid, because the back of the ear is exactly the position of the mastoid, pain will occur when pressing the back of the ear. When the back of the ear massage pain, it is recommended to go to the otorhinolaryngology department, can be carried out blood routine, otoscopy, behind the ear ultrasound, CT and other tests, a clear diagnosis, targeted treatment.