More than bleeding after tooth extraction can be chosen to stop bleeding by compression, suture hemostasis, injection of coagulants to stop bleeding, it is recommended to follow the postoperative medical advice, and regulate the systemic condition if necessary, it is recommended to go to the hospital for timely examination and treatment. Bleeding after tooth extraction may be caused by insufficient compression time, it may be necessary to use a hemostatic cotton ball to re-pressure hemostasis, it is generally recommended to compress the hemostasis for about 30 to 40 minutes, spit out the cotton ball, and at the same time can not be brushed and rinsed within 24 hours, and can not use the affected side of the food. If the bleeding is still not stopped by the required compression hemostasis, it may be necessary to suture hemostasis, and the wound will be sutured in the right place and then compressed hemostasis. If the patient’s coagulation mechanism is poor, thrombin injection may be needed to stop bleeding, and blood transfusion may be needed for individuals with excessive bleeding. If the blood pressure is high, the patient should control the blood pressure in time to avoid bleeding because of high blood pressure, and it is recommended to go to the hospital for specific diagnosis and treatment.