70-year-old people should pay attention to daily care, dietary management, prevention of infection, etc. after tooth extraction. 1. Daily care: 70-year-old people bite the hemostatic cotton roll for half an hour after tooth extraction. After half an hour, take out the cotton roll and observe no bleeding before leaving. 2. Dietary management: Generally, 70-year-old people can start to eat two hours after the operation, and can eat fluids and semi-fluids in the near future, prohibit overheating, too hard food, avoid spicy food, avoid tobacco and alcohol. 3. Prevention of infection: If the 70-year-old man is extracted complex teeth or blocked teeth, traumatic larger, the tissue reaction will be slightly heavier, the patient can take cefixime, cefprozil and other anti-inflammatory drugs under the guidance of the doctor to prevent infection, generally 7-10 days after the operation to remove the sutures. If there is obvious bleeding, swelling and pain after tooth extraction, you should consult a doctor in time and take medication under the guidance of a professional doctor to avoid adverse effects.