Back slot tooth pain half of the face swollen throat swelling, mostly due to oral and maxillofacial infection or wisdom teeth pericoronitis, can be treated through general treatment, drug treatment, surgical treatment or tooth extraction treatment. 1. General treatment: patients must maintain oral hygiene, develop the habit of brushing teeth often, avoid eating spicy and stimulating food in the diet, available saline or warm water gargling after meals every day, pay attention to rest, can not stay up all night. 2. Medication: Saline and hydrogen peroxide can be used to rinse the affected area repeatedly, which can achieve the anti-inflammatory effect and promote the decline of inflammation. Oral amoxicillin capsules, metronidazole tablets and other antibacterial drugs can be taken under the guidance of the doctor, and more serious inflammation can be treated with intravenous drip antibacterial drugs. 3. Surgical treatment or extraction treatment: Oral and maxillofacial infections can be surgically treated with abscess incision and drainage to eliminate the lesions; if caused by lateral wisdom teeth, extraction is recommended after the inflammation is eliminated. The back of the tooth pain half of the face swollen throat swelling, timely hospital consultation, by the physician according to the patient’s condition for treatment, they can not unauthorized use of medication.