The main reasons for feeling pain inside the ear are acute otitis externa, acute secretory otitis media, acute suppurative otitis media and so on. 1. Acute otitis externa: often caused by hard pulling out the ear, spicy food and ear irrigation, etc., the outer ear canal lesions, so that the skin follicles of the outer ear canal become infected, and then form a limited, diffuse or even necrotizing inflammation, which can lead to severe pain inside the ear. 2. Acute secretory otitis media: common triggering factors are nasopharyngitis, adenoid hypertrophy, upper respiratory tract infections, etc. Pathological changes are cloudy tympanic membrane, invagination, and typical symptoms include early ear pain, stuffy ears, hearing loss and other abnormal sensations. 3. Acute suppurative otitis media: after suffering from acute suppurative otitis media, before the tympanic membrane is perforated, the pus will accumulate in the middle ear cavity, so that the pressure in the middle ear cavity rises, and because of the local infection, edema and other conditions, stimulation of the peripheral nerves, so you will feel the pain inside the ear. If you feel pain inside the ear, you should go to the regular hospital in time to find out the cause of the disease, and under the guidance of a professional doctor to choose a suitable method of treatment.