In general, patients with hyperthyroidism will not have neck pain, but some patients with temporary hyperthyroidism have subacute thyroiditis or acute suppurative thyroiditis. In this case, there will be neck pain. Subacute thyroiditis is very common in clinical practice, and it is generally related to bacterial or viral infections. There are more female patients. The biggest feature of subacute thyroiditis is neck pain, that is, thyroid pain. Patients will have complaints of neck pain, and hyperthyroidism often occurs when thyroid function is checked. However, the hyperthyroidism caused by subacute thyroiditis is mostly temporary and does not need to be treated with anti hyperthyroidism drugs. Therefore, it is necessary to give anti-inflammatory and analgesic, low-dose hormone treatment. For such patients, thyroid function can be monitored dynamically, which is generally self limited in about three months.