Patients with hyperthyroidism usually have no pain in the neck. Hyperthyroidism is a diffuse goiter with hyperthyroidism for short. When hyperthyroidism occurs, the synthesis and secretion of thyroid hormone increase, and the patient has hypermetabolic syndrome. The occurrence of hyperthyroidism is an autoimmune disease, and the insufficient synthesis and secretion of thyroid hormone is not regulated by thyroid stimulating hormone. Thyroid gland will be enlarged to different degrees. Hyperthyroidism is of Grade I or Grade II severity, and generally does not cause pain. If the level of thyroid hormone rises, and hypermetabolic syndrome occurs, neck pain should be noted. Subacute thyroiditis and acute thyroiditis are two diseases, one is viral infection, the other is bacterial infection, It can produce temporary hyperthyroidism.