Hypothyroidism generally falls under the category of endocrinology. Hypothyroidism refers to hypothyroidism, in which the level of thyroid hormones in the body of patients suffering from this disease will be lower than the normal range, which in turn will cause symptoms such as loss of concentration, loss of appetite, abdominal distension, constipation, chills, and fatigue. Endocrinology is a department in hospitals that specializes in the treatment of endocrine-related diseases, including diseases caused by abnormal thyroid function, diabetes, adrenal diseases, fat metabolism disorders, parathyroid glands and other diseases. Therefore, hypothyroidism generally belongs to the category of endocrinology. Patients who are suspected to have symptoms of hypothyroidism are advised to visit the endocrinology department of a hospital and ask the doctor to make a judgment.