Toothache indicates acute inflammation of the teeth, may be pulpitis, periapical inflammation, etc., generally acute inflammation caused by toothache can not be directly extracted, can be retained through the treatment of the teeth, do not easily extracted. Inflammation acute phase extraction, may affect the effect of anesthesia, but also easy to cause bleeding or cause the spread of inflammation, etc., the main thing is to determine whether the tooth is necessary to extract, such as pulpitis, caries, periapical periodontitis, etc. generally can be retained through the treatment of the teeth to achieve the purpose. When the crown of the tooth is badly decayed and cannot be repaired, serious periapical lesions that cannot be cured by root canal treatment, and wisdom teeth that are not necessary to be retained, it is possible to consider extraction when the toothache occurs, but generally it is necessary to do so after the inflammation has gone down. A toothache should be seen immediately by a dentist for specific analysis and judgment, symptomatic treatment, and a decision as to whether or not extraction is necessary.