Generally, tooth extraction is not allowed during cold and flu, and it is recommended that patients should have their teeth extracted after they have recovered from the cold and flu, taking into account their own situation. As the patient’s resistance will gradually decline during the cold, if the extraction surgery is carried out during this period, the surgery may lead to bleeding of the tooth wound, resulting in oral microorganisms entering the body’s bloodstream, and the chances of infection are relatively increased. In severe cases, it may lead to respiratory tract infection and induce sepsis. Therefore, tooth extraction is not recommended for patients with common cold. You should follow the doctor’s instructions to actively take treatment treatment, after the condition has healed, you can combine their own situation, as well as personal needs, ask the doctor’s guidance. During the treatment of cold, you should ensure sufficient rest time, avoid overwork or stay up late for a long time. After the tooth extraction surgery, patients need to keep their mouth clean and rinse frequently to avoid secondary infection. You should also follow the doctor’s instructions for regular checkups in order to understand the recovery of the disease. In terms of diet, eat more foods rich in vitamins and less spicy and stimulating foods.