A burst of pain in the right ear is commonly caused by neuralgia of the right ear, otitis media, and boils of the external auditory canal. 1. Neuralgia of the ear: it is usually a large neuralgia of the right ear, characterized by paroxysmal and transient throbbing pain, manifested as pinprick-like and lightning-like pain in the ear and behind the ear. 2. Otitis media: right secretory otitis media is often caused by upper respiratory tract infections, patients may manifest ear pain, tinnitus, ear stuffiness or hearing loss, etc. Acute patients have vague ear pain, which may be paroxysmal or persistent. 3. External auditory canal boil: a limited purulent inflammation that occurs in the skin of the external auditory canal, right external auditory canal boil, in the early stage there is severe ear pain, which can be aggravated when opening the mouth, and there will be a throbbing pain when pus is formed; after the boil bursts, the external auditory canal will drain pus, and the ear pain can be alleviated. It is recommended to seek immediate medical attention to identify the cause of the ear pain and then treat the cause.