The most common types of thyroiditis in pregnant women are Hashimoto’s thyroiditis and subacute thyroiditis. Hashimoto’s thyroiditis can be treated with sodium thyroxine tablets when combined with hypothyroidism, and subacute thyroiditis can be relieved by supplemental nutrition and rest. 1. Hashimoto’s thyroiditis: Hashimoto’s thyroiditis is an autoimmune disease that is often associated with positive anti-thyroid peroxidase antibodies. When combined with changes in thyroid function, it is recommended that medication be used in accordance with medical advice. If hypothyroidism occurs, thyroxine sodium tablets can be taken. 2. Subacute thyroiditis: Subacute thyroiditis is a self-limiting disease, patients with mild symptoms are not recommended to apply the drug, can be relieved by supplemental nutrition, rest, if necessary, under the guidance of the doctor can be used on the fetus less impact of antipyretic drugs. Thyroiditis in pregnant women should go to the hospital and be treated under the guidance of a doctor.