A large blood clot next to a wisdom tooth after extraction is generally normal and does not need to be treated. After extracting wisdom teeth due to the cavity area may have bleeding, blood gathering will appear after the blood clot to help stop bleeding, so may produce a large blood clots, this is generally normal, do not have to worry too much, may be a few days after the gradual recovery. Usually need to pay attention to do a good job of physical health care, it is best not to eat spicy and stimulating food, it is best not to brush your teeth and rinse your mouth within 24 hours, so as not to lead to the shedding of blood clots, blood clot shedding may affect the recovery of the cavity, the symptoms of bleeding more than the wound, and may also produce dry socket syndrome.