It is not absolutely impossible to wash hair or take a bath after tooth extraction, but there are special cases. After the extraction of relatively more traumatic teeth, it is recommended to avoid doing strenuous activities and to avoid eating too hot or too hard food as much as possible. Bathing after tooth extraction will cause relatively hot situation in the mouth, which may cause the corresponding blood vessels to dilate and the formed blood clot to loosen, resulting in bleeding in the postoperative extraction. Patients should have their own knowledge about washing and bathing after tooth extraction. If the trauma is minimal, it is not a big problem only for the extraction of milk teeth. In the case of extraction of obstructed wisdom teeth, it is advisable not to take a shower for 1-2 days after extraction.