Patients who experience ringing in the right ear when swallowing, if it is occasional, it may be a normal physiological phenomenon, or it may be caused by cerumen impaction, otitis media and other diseases. 1. Physiological phenomenon: Because the Eustachian tube opens instantly when the human body swallows, while it is normally closed, the pressure in the middle ear is regulated through the Eustachian tube, and the occasional ringing in the ear may be a normal physiological phenomenon if there are no other uncomfortable symptoms. 2. Cerumen embolism: Cerumen embolism refers to the accumulation of cerumen caused by excessive secretion of cerumen glands. When the cerumen or foreign objects in the patient’s right ear are close to the tympanic membrane, the ringing of the ear may occur when the patient chews or swallows, and the symptom may be alleviated or disappeared by removing the cerumen. 3. Otitis media: When patients suffer from otitis media, due to the inflammation stimulation will lead to the function of the Eustachian tube is affected, may cause the dysfunction of the Eustachian tube, from the right side of the ear will appear ringing when doing swallowing action. It is recommended that patients seek timely medical examination to clarify the cause of the disease and then targeted treatment.