Pain in the ear for no reason may be caused by otitis externa, acute otitis media, glossopharyngeal neuralgia, etc. Patients should consult a doctor in time to clarify the cause of the disease and then carry out appropriate treatment. 1. Otitis externa: Inflammation of the skin and subcutaneous tissues of the ear, patients will have symptoms such as ear pain and localized redness of the skin. 2. Acute otitis media: acute inflammation of the mucous membrane of the middle ear due to bacterial infection caused by a variety of reasons, which is more common in children, and the patients will have symptoms such as pain in the ear for no reason, hearing loss, chills, fever, and so on. 3. Glossopharyngeal neuralgia: Because the glossopharyngeal nerve is widely distributed in the throat, head and neck region, acute attacks of inflammation of the throat can often involve the ear, ear pain, mistaken for ear disease. All of the above drugs should be used under the guidance of a doctor, and the specific cause of the disease should be clearly diagnosed after examination by a specialist.