Smoking is not recommended after thyroid surgery, as it will have a certain impact on the postoperative recovery, and it is also recommended to quit smoking afterward. There is still inflammation around the wound of thyroid cancer surgery, smoking during this period will have certain irritation to the wound, especially affecting the recovery of the throat; in addition, smoking may increase the probability of respiratory tract infection, which will have a certain impact on the overall postoperative recovery; moreover, the harmful substances in the smoking itself will stimulate the walls of blood vessels, which will affect the recovery of the wound of the surgical area. Overall, smoking is not recommended after surgery. During the postoperative recovery period, it is important to closely monitor the recovery of the surgical area. In addition to not recommending smoking, it is also important to avoid stimulating foods and to take care of the area under the guidance of the clinician. If there is any discomfort, seek medical attention promptly.