Subacute thyroiditis is subacute thyroiditis, this disease is mainly manifested as fever, fatigue, sore throat, muscle pain, thyroid enlargement with pressure pain and other symptoms, the treatment mainly includes general treatment and medication. Subacute thyroiditis is a self-limiting disease associated with viral infections. 1~2 weeks before the onset of the disease, there is a history of upper respiratory tract infections, such as viral pharyngitis, mumps, etc. The main clinical manifestations of the disease are fever, malaise, sore throat, muscle aches and pains, and enlarged thyroid gland with pressure and pain, etc. The disease is self-limiting. This disease is self-limiting, daily attention should be paid to rest, drink more water, for fever or pain is more serious, can be used non-steroidal anti-inflammatory drugs, hormones and other drugs for treatment, such as aspirin, ibuprofen, prednisone, etc., the specific use of medication is recommended according to their own specific circumstances under the guidance of the physician.