One year after tooth extraction, the bed of the tooth still hurts, it may be the nearby teeth have caries or pulpitis, or it may be due to apical periodontitis stimulation to the bed of the tooth, according to the different causes of the general treatment, medication, or other treatments should be taken. 1. Dental caries: with carious cavities, food is easily embedded, causing gum swelling and pain, when the cavity is deeper, the pulp can be stimulated to produce transient pain, need to remove the decayed material, filling treatment. 2. Pulpitis: the pulp should be protected, if it is in acute attack, it is recommended to open the pulp as soon as possible to drain, reduce the degree of pain, and carry out root canal treatment. 3. Apical periodontitis: If the surrounding teeth have apical periodontitis that is not treated in time, it may stimulate the tooth bed and cause pain. In the acute attack period can be open pulp drainage, abscess formation needs to be incised to drain pus, reduce pain, severe cases can be oral amoxicillin, metronidazole and other anti-inflammatory painkillers. One year after the extraction of the bed of the tooth has been painful or inflammation around, should be timely targeted treatment, specific should follow the doctor’s instructions.