Headache inside the ear, headache on the other side, consider with acute otitis externa, acute suppurative otitis media, ear herpes zoster and other diseases, need to go to the hospital for further examination to clarify the cause of the disease, and then timely consultation. 1. Acute otitis externa: generally due to digging one side of the ear, excessive force, damage to the skin of the external auditory canal, causing otitis externa, and will radiate to the head through the nerves, thus causing pain inside the ear and half of the head, otitis externa may appear pain and other symptoms. 2. Acute suppurative otitis media: usually due to acute bacterial infection in the middle ear after the occurrence of inflammatory reaction, sensory nerves within the tympanic cavity are stimulated by inflammatory mediators and secretions after the occurrence of otalgia, but also can be radiated to the same side of the temporal, occipital and other places of pain, manifested as a pain in the ear and half of the head also hurt phenomenon. 3. Ear herpes zoster: may be due to one side of the ear by the herpes zoster virus infection, caused by pain, and herpes zoster virus will stimulate the nerve, and then appeared inside the ear pain half headache phenomenon, ear herpes zoster usually appear blisters, redness and swelling and other symptoms. Ear herpes zoster usually appears blisters, redness, swelling and other symptoms. If you have a pain in the ear and headache on the other side of the head, you should go to the hospital in time, and make a clear diagnosis after a systematic examination, so as to avoid adverse consequences.