There are several factors that may cause pain at the root of the ear when chewing: 1. Mandibular arthritis, a painless inflammation, can generally be observed and treated with painkillers, but if it is not good for a long time, it can be locally closed. it is mainly manifested as pain in the front of the ear when chewing and opening the mouth. 2. inflammation of the ear canal or inflammation of the tympanic membrane, usually requires otoscopy to see if there is congestion in the ear canal and congestion in the tympanic membrane. If these conditions are present, they can be treated with anti-inflammatory drugs and ear drops.3. Inflammation of the pharyngeal cavity or vesicles can cause ear pain by radiating pain from the pharynx to the ear, and treatment is also given as symptomatic treatment, such as anti-inflammatory drugs and anti-viral drugs. Therefore, symptomatic treatment is needed to solve the problem of ear pain according to different situations.