Toothache to the root of the ear may be caused by acute pulpitis, wisdom teeth pericoronitis, dry socket and other diseases, need to take general measures, medication, surgical treatment, other treatments for the cause of the disease. 1. Acute pulpitis: common symptoms are toothache on the affected side radiating to the head and ears, night pain, spontaneous pain, etc. Patients need to cooperate with the doctor to take root canal treatment. Patients need to cooperate with doctors to take root canal therapy, apical induction molding, pulpotomy and other surgical treatments, but also can take microendodontics, which can improve the success rate of treating this disease. 2. Wisdom tooth pericoronitis: patients will feel pain and swelling in the back teeth area, and extend to the ear and throat. In the acute stage, saline should be used for local rinsing, and if it is caused by anaerobic infection, antibiotics such as metronidazole and clindamycin should be used as prescribed by the doctor. The presence of abscesses, need to take incision and drainage, other patients need to carry out pericoronal gingival flap excision, wisdom tooth extraction. 3. Dry socket: typical symptoms are toothache radiating to the mandibular region, ear temporal and other places, patients need to comply with medical advice to use aspirin, ibuprofen and other non-steroidal anti-inflammatory drugs, as well as amoxicillin, azithromycin and other antibiotics. Patients also need to cooperate with the doctor to take clearing surgery, and also laser therapy, which is good for controlling pain and speeding up healing. When the toothache reaches the root of the ear, patients need to go to the hospital in time to clarify the specific cause and cooperate with the doctor for active treatment.