The swelling and pain of the tooth bed sub is mostly caused by various causes of periodontal, pulp, gum and other inflammatory reactions, or due to the recent overexertion caused by herpes simplex, appropriate cold compresses can be applied to relieve pain, or oral antibiotic treatment under the guidance of a doctor. If the symptoms are severe, medical treatment is recommended to avoid causing tooth loosening and adverse consequences. Common clinical treatment measures include: a. periodontal disease: including periodontitis, gingivitis, pericoronitis, etc. 1. scaling: can thoroughly remove plaque and tartar, to reduce the stimulation of the gums; 2. anti-inflammatory drugs: commonly used drugs include hydrogen peroxide solution rinse, chlorhexidine rinse, iodine preparations applied to the gum sulcus; 3. surgical treatment: if the gingival hyperplasia is obvious, the gums can not return to normal after the inflammation subsides, feasible gingivoplasty. Second, dental diseases: such as pulpitis, acute periapical inflammation and trauma, etc. 1, filling: common in toothache caused by dental caries, need to remove the decayed part and use resin material, etc. for filling; 2, root canal treatment: acute toothache may be caused by pulp necrosis, if necessary, direct pulp removal under local anesthesia and root canal treatment; 3, drainage: if accompanied by abscess, need to drain, remove the root tip exudate and pus, which can treat the symptoms of toothache; 4. Other: if the toothache is caused by trauma resulting in tooth defect and abnormal occlusion, attention should be paid to avoid occlusion of the affected area, reduce the force on the tooth, and repair the defective part in time. Other: such as oral herpes simplex. 1, systemic treatment: clinical use of acyclovir, ribavirin and other antiviral treatment; 2, local medication: compound boric acid solution gargle; apply acyclovir ointment on the affected area; can also use chlorhexidine solution or zinc sulfate solution wet compress. In addition, daily attention should be paid to oral hygiene, brush your teeth regularly every day, do not eat before bedtime, and have your teeth cleaned regularly. Drink more water, pay attention to the combination of work and rest, and avoid excessive fatigue to help the body recover.