The causes of ear pain in children are as follows: 1. Acute infectious inflammation of the external auditory canal, middle ear and tympanic membrane is common. The skin of the external auditory canal is relatively thin, and after the nerve is pressurized, it will cause severe pain, such as ear knot and auricular cartilage membrane inflammation, which will cause severe pain when inflamed, and purulent otitis media will have severe pain before the tympanic membrane is perforated; 2. Foreign bodies in the external auditory canal, when children are playing, they will put small When children play, they may insert small food and toys into the external ear canal, such as soybeans, corn or small insects into their ears, as well as plastic fragments and small sticks, which can cause pain in the ears when children insert them into their ears; 3. Trauma caused by trauma, often children and parents use cotton swabs or ear-digging spoons to dig their ears, causing trauma to the external ear canal and perforation of the eardrum; 4. Pain caused by nerve reflexes, when tonsillitis or pharyngitis occurs, because the linguopharyngeal nerve reflex causing reflex-involved pain; neuropathic otalgia caused by herpes zoster is more intense and can be found with redness and swelling around the ear and clusters of small herpes.