Thyroiditis can be categorized into acute, subacute, and chronic thyroiditis according to the urgency of its onset, and the specific treatments are as follows: 1. Acute suppurative thyroiditis: it is a non-specific infection of the thyroid gland, and the causative organisms are mostly mixed bacterial infections. It may manifest as enlargement of the lateral lobes of the thyroid gland in the neck, pain and difficulty in swallowing. The main application of broad-spectrum antibiotics for initial treatment, clear pathogens to adjust the type of antibiotics, if there is an abscess, can be incised and drained, if necessary, also feasible partial lobectomy of the thyroid gland. 2. Subacute thyroiditis: it is the disease with the highest morbidity among painful thyroid diseases and is generally believed to be related to viral infection. The most characteristic manifestation is pain or pressure pain in the thyroid area, which may also be accompanied by enlargement and hardness of the lesion gland. It is a self-limiting disease, and the treatment is only to relieve the symptoms, usually aspirin is used to relieve the symptoms, and if the symptoms are severe, glucocorticoids can be applied. 3. Chronic lymphocytic thyroiditis: also known as Hashimoto’s thyroiditis, this is an autoimmune disease. The thyroid gland is often symmetrically enlarged, painless and hard. Most patients have normal thyroid function and mildly enlarged thyroid glands, so no treatment is needed. Patients with significant hypothyroidism should be treated with thyroxine preparation replacement therapy. Huge goiters that compress surrounding organs can also be treated surgically. If thyroiditis is diagnosed, it is recommended to consult a doctor in time to formulate the best treatment plan under the guidance of the doctor and actively cooperate with the treatment.