Wisdom teeth do not hurt can not be used as the only criterion of whether to extract, if the wisdom teeth erupt orthodontically, there is no need to extract, if the wisdom teeth are blocked or ectopic eruption, there is a possibility of adverse effects on the surrounding hard and soft tissues, they should be extracted as soon as possible, as follows. 1. Orthodontic eruption of wisdom teeth: If wisdom teeth erupt orthodontically and a stable occlusal relationship can be established with the teeth of the opposite jaw, the wisdom teeth can be retained in the oral cavity to exercise the function of mastication, and there is no need to remove them. 2. Obstructed or ectopic eruption of wisdom teeth: Obstructed wisdom teeth and ectopic eruption of wisdom teeth may lead to wisdom teeth pericoronitis, alveolar bone resorption, food impaction, neighboring teeth caries, root resorption of neighboring teeth, occlusal trauma and other disease symptoms, and should be extracted as soon as possible to avoid adverse effects. It is recommended to go to the hospital to receive regular treatment.