The pain produced by wisdom tooth extraction usually takes 2~3 days to recover, and the pain time after wisdom tooth extraction with greater trauma may grow as follows. When the tooth is extracted, the metabolic breakdown products caused by the trauma and the activated substances produced by the tissue stress response will stimulate the nerve endings and cause pain, which will generally be gradually relieved in 2~3 days after the extraction. After the extraction of larger trauma, its blood clot is easy to decompose and fall off, resulting in the alveolar bone wall of the nerve endings exposed to external stimulation, will cause pain, this pain may last longer. If the pain is severe, persists without improvement, or is accompanied by other symptoms, it is recommended to go to the hospital in time to receive early professional treatment.