2 hours after the extraction of a cigarette, if there is no obvious discomfort without special treatment, if there is severe pain, bleeding and other symptoms should be timely to the hospital to give appropriate treatment. Generally after the end of tooth extraction should be in accordance with the doctor’s instructions for biting or pressing to stop bleeding, quit smoking and drinking, reduce the incidence of infection, avoid eating spicy and stimulating foods such as chili peppers, onions, etc., so as not to cause tissue swelling aggravate the condition. Generally avoid brushing and rinsing within 24 hours after tooth extraction to prevent bleeding caused by dislodging of localized blood clots. If you smoke a cigarette 2 hours after tooth extraction without obvious discomfort, no special treatment is generally required. If there are obvious pain, bleeding and other symptoms, it is recommended to go to a specialized hospital in a timely manner, under the guidance of a professional doctor to give appropriate treatment.