In the case of adults, thyroid surgery usually requires a fasting period of 8-12 hours; in the case of pediatrics, thyroid surgery, usually requires a fasting period of 4-8 hours. After the thyroid gland occurs disease, such as thyroid nodules, sometimes need surgery, do thyroid surgery, usually under general anesthesia, general anesthesia need to fasting, otherwise may lead to aspiration and pneumonia, will cause serious consequences, adults fasting time is relatively long, pediatric fasting time is relatively short. Before doing thyroid surgery, in addition to the need for fasting, patients also need to ensure a good night’s sleep, the need to relax, do not overstress, otherwise it may affect the recovery.