Subacute thyroiditis (granulomatous thyroiditis Megaloblastic thyroiditis DeQuervain’s thyroiditis) is a common clinical thyroid disorder Liaoning is common in adult women and men. The cause of subacute thyroiditis is generally believed to be related to viral infections, often with upper respiratory tract infections a few weeks before the onset of the disease, the onset of patients with increased titers of medical antibodies to certain viruses in the serum, including influenza virus coxsackievirus adenovirus mumps virus, etc. The clinical authority of subacute thyroiditis manifestations, the onset of acute onset of the disease is often accompanied by signs and symptoms of upper respiratory tract infections, such as chills fever weakness and loss of appetite features The symptoms of subacute thyroiditis are usually no more than a week. The physical examination shows that the thyroid gland is mildly significant and often has nodules of medium texture with significant pressure pain that can be located on one side and can disappear after a period of time and then appear on the other side. Laboratory tests: early blood sedimentation is often significantly faster thyroid uptake I rate is significantly lower and serum TT can be transiently higher in the so-called “separation phenomenon”. The diagnosis of subacute thyroiditis is mainly based on the surgical clinical manifestations and laboratory examinations of patients with painful enlarged thyroid nodules and pressure pain accompanied by systemic symptoms. The presence of giant cells in the famous tissue biopsy at the site of thyroid puncture is noted to differentiate with upper respiratory tract infection pharyngitis thyroid cancer. Treatment of subacute thyroiditis hygiene Mild cases are treated with drugs such as aspirin indomethacin, and those with abundant thyrotoxicosis can be given propranolol to control symptoms A few patients develop transient hypothyroidism if symptoms are obvious can be appropriately supplemented with thyroid preparations.