Being particularly afraid of cold after hyperthyroidism surgery may be due to postoperative weakness or postoperative complications such as hypothyroidism. Attention should be paid to keeping warm or checking the thyroid function again. Fear of cold after hyperthyroidism surgery may be due to the patient’s original poor physical condition, postoperative weakness caused by insufficient rest, this situation should pay attention to rest, strengthen nutritional supplementation, can eat more high protein and high vitamin food. In addition, if the operation may lead to the occurrence of hypothyroidism, the patient may have chills, fatigue, loss of appetite and other manifestations. At this time, the thyroid function should be timely rechecked, and under the guidance of the doctor to take levothyroxine to supplement the level of thyroid hormone in the body. Therefore, if there is a special fear of cold after hyperthyroidism surgery, you should go to the hospital in a timely manner, under the guidance of the doctor’s treatment.