Thyroiditis is usually divided into three types: chronic thyroiditis, acute thyroiditis, and subacute thyroiditis. The clinical manifestations of different types of thyroiditis are also different. Chronic thyroiditis: Symptoms of varying degrees of thyroid enlargement may occur, and some patients may also experience pain and possibly transient hypothyroidism as well. Acute thyroiditis: Patients with acute thyroiditis will have clinical manifestations such as fever, night sweats, loss of appetite, fatigue, fear of heat, panic and sweating, tremors, and nervousness. Usually a few patients will have neck pain, tinnitus, nausea and vomiting. The pain in the thyroid area is severe and vague sensation, usually with pain in the neck radiating to and under the jaw, root of the ear and behind the occiput, and pain in the anterior chest and shoulders. Subacute thyroiditis: Patients may experience sore throat, loss of appetite, hand tremors, panic, tinnitus, hearing loss, nausea, vomiting, nervousness, low pronunciation, and neck pain and discomfort. Subacute thyroiditis disease has a high prevalence and is usually treated with medication under the guidance of a doctor. When the organism thyroiditis appears as the above symptoms, it is important to go to the hospital and take treatment in a timely manner. Commonly used treatment methods are medication, surgery.