According to the clinical summary of the following points of attention to the extraction of teeth: First, follow the doctor’s instructions, after the extraction of teeth to bite the pressure on the wound of the disinfection of the cotton ball or gauze, in order to achieve compression of the wound, to help stop the bleeding of the purpose, to insist on half an hour before spitting out. This is because the blood in the wound after tooth extraction may form a blood clot within half an hour. If you spit out the cotton ball or gauze in advance, bleeding is likely to occur. Do not touch the wound with your fingers after tooth extraction, because there are a lot of pathogenic microorganisms on your fingers, which can easily cause infection of the extraction wound and also destroy the blood clot that has been formed. Second, do not rinse your mouth within 24 hours after extraction, not to mention brushing your teeth. Due to the extraction of teeth about 24 hours after surgery, the local fibroblast cells just from the alveolar bone wall to the extension of the blood clot growth, and gradually make the blood clot mechanized and become solid and sturdy. If you are in a hurry to rinse and brush your teeth, you may rinse out the blood clot, brush it off and cause bleeding again, or cause the socket to be empty and lead to intolerable pain, “dry socket”, prolonging the healing time. It should also be noted that do not often tongue lick the wound or suck the wound, to prevent wound damage caused by infection, or make the blood clot on the wound off, affecting the coagulation process and cause continuous bleeding. Third, two hours after tooth extraction can eat, but should pay attention to eat some liquid food, do not drink hot water or eat too hot, too hard food. Hot food will cause vasodilatation and easy to bleed; too hard food is a mechanical stimulation of the wound, can cause bleeding and aggravate the injury, so it should be avoided. Fourth, do not smoke a few days after tooth extraction, because cigarette smoke on the extraction wound will also produce harmful stimulation, affecting the coagulation process, and do not drink alcohol or eat spicy and other stimulating foods, so as not to aggravate pain or bleeding. Never use unsterilized paper, cotton, tooth powder, etc. into the extraction wound. Fifth, after tooth extraction, if the wound bleeding or spitting blood clots from time to time, you can take a simple method of hemostasis, such as using a clean cold towel or dipped in ice water gauze on the side of the face of the tooth extraction, the local blood vessels encounter cold stimulation will contract on its own and stop bleeding. You can also use a sterilized cotton ball or gauze stuffed in the wound, a little hard bite, can stop bleeding. If it can not be controlled, please ask the doctor to deal with it as soon as possible. Sixth, the use of medication must be used under the guidance of a doctor. Slight pain after tooth extraction is normal, you can take painkillers as appropriate.