Oral swelling and pain can be treated separately after oral examination and X-ray, including local medication, intravenous medication, root canal treatment and rinsing with hydrogen peroxide solution, as follows: 1. Local medication: If infection with virus causes herpetic stomatitis, you can apply local medication such as Golden Throat Health Spray and Rehabilitation New Solution, and take anti-viral medication such as Dazhongye and Viridazole. 2. Intravenous medication: In case of If the tooth has deep caries or hidden fracture causing acute periapical inflammation, pulp drainage can be carried out to remove the infected pulp and promote the discharge of inflammatory secretions into the oral cavity to complete the root canal treatment at a later date. 4.Rinsing with hydrogen peroxide solution: If the wisdom tooth eruption is incomplete causing periapical inflammation When the periodontal pocket can be rinsed with 3% hydrogen peroxide solution, systemic application of cephalosporin and nitroimidazole antibiotics.