Thyroid surgery for general anesthesia patients generally do not feel. General anesthesia generally refers to general anesthesia, that is, through inhalation, intravenous, rectal perfusion and other ways to ingest general anesthetic drugs, followed by inhibition of the central nervous system, at this time the patient can appear generalized painlessness, amnesia, autonomic reflexes inhibition, loss of consciousness, to achieve the best surgical state of a kind of anesthesia. Therefore, patients who need to do thyroid surgery after general anesthesia generally do not have any feeling. It should be noted that patients who are older, with high risk of general anesthesia should not undergo general anesthesia. Complications such as reflux and aspiration, hypertension and hypotension may occur during general anesthesia; complications such as nausea, vomiting and postoperative hypotension may occur after general anesthesia. Patients who need to undergo thyroid surgery and general anesthesia should actively cooperate with the doctor to help avoid complications.