Patients with hypothyroidism may choose to go to the endocrinology department, thyroid surgery department or emergency department for treatment according to different causes, conditions and treatments, etc. The distribution of departments may be different in different hospitals. 1. Endocrinology: Hypothyroidism is a generalized low metabolism syndrome caused by a variety of reasons, such as reduced thyroid hormone secretion or thyroid hormone resistance, therefore, endocrinology is usually chosen for hypothyroidism. 2. Thyroid surgery: If hypothyroidism is accompanied by thyroid enlargement, it may be caused by thyroid diseases such as Hashimoto’s thyroiditis, etc. If thyroid enlargement and compression symptoms are obvious, and the effect of internal medicine is not satisfactory, it can be transferred to thyroid surgery or general surgery for thyroid surgery. 3. Emergency: Some patients with hypothyroidism are in serious condition, and may suffer from mucous edema coma and other emergencies, so they should go to the emergency department. Patients with hypothyroidism are advised to consult their local hospitals.