The pain in the ear when swallowing is considered to be caused by acute tonsillitis, acute pharyngitis and herpes pharyngitis. 1. Acute tonsillitis: acute tonsillitis or chronic tonsillitis acute attack, mainly manifested as tonsil redness, swelling, sore throat and other symptoms. When the pain is more intense, it can be radiated to the ear, and the symptom of ear pain on the right side of the mouth often appears. 2. Acute pharyngitis: acute pharyngitis attack due to the hypopharyngeal nerve reflex involved, do swallowing movements will appear reflex ear pain phenomenon. 3. Herpetic pharyngitis: Herpetic pharyngitis is a disease caused by enterovirus, which is more contagious. The main symptoms include fever and headache. Herpes appears on both sides of the pharynx, and there may be pus spots on the surface, accompanied by obvious symptoms of sore throat, aggravated by swallowing, which may radiate to the ear and cause earache. Patients with ear pain when swallowing, need to go to the otorhinolaryngology consultation, systematic examination to clarify the diagnosis, follow the doctor’s instructions standardized treatment.