Worms in the ear are caused by worms that have burrowed into the external ear canal. Most worms that go in are active and can cause damage to the external ear canal and the eardrum. On examination, worms can be seen in the external ear canal, the external ear canal can be seen to be congested and swollen, and the eardrum can also be congested and swollen, with the possibility of perforation. For treatment, first go to a darker location and shine a flashlight or the like on the external ear canal to induce the worms to fly out using their tendency to light, and if this cannot be done immediately fill the external ear canal with cooking oil. I. Stick the worms so that they cannot move and avoid further damage to the external auditory canal and tympanic membrane. Two, it can make the worms suffocate, die and become inactive. If it is still unsuccessful, go to the hospital immediately, give 1% dicaine drops in the external ear canal to anesthetize it, and when the worm is inactive, use an attractor and forceps to remove it, and apply antibiotics appropriately after the operation to prevent infection.