Colds are upper respiratory tract infections, and the reason why you can’t have upper respiratory tract infections after thyroid surgery may be to reduce the chances of postoperative infections and to prevent affecting the recovery of the wound. Usually, for patients who have had thyroid surgery, the reason why upper respiratory tract infection should be avoided is mainly because the body is weaker after surgery, and if they suffer from upper respiratory tract infection at this time, it will lead to a decrease in resistance, which is easy to increase the chances of postoperative infection to a certain extent. In addition, patients with upper respiratory tract infection will have symptoms such as coughing and sneezing, and these actions are likely to affect the healing of local wounds and aggravate bleeding. Therefore, patients after thyroid surgery need to pay more attention to rest, avoid overwork and strengthen daily life management. To summarize, after thyroid surgery, patients need to develop good living habits, do a good job of personal protection to avoid infection by pathogenic microorganisms, and go to the hospital on time for review, so that the doctor can easily understand the postoperative recovery.