Treatment of pituitary hypothyroidism is mainly based on active treatment of the primary disease as well as levothyroxine sodium tablets. Pituitary hypothyroidism refers to hypothyroidism caused by pituitary lesions that result in decreased production and secretion of thyroid-stimulating hormone, which in turn causes a series of symptoms of thyroid hormone reduction, such as fatigue, mucous edema, slow heart rate, etc., and often requires supplemental treatment with levothyroxine sodium tablets. Hypopituitary hypothyroidism also needs to be treated for the primary disease, such as pituitary tumors caused by compression can be surgically treated, lymphocytic pituitary inflammation caused by the need to apply medication to treat the primary disease and so on. Levothyroxine sodium tablets treatment often requires lifelong medication, the goal is to restore serum thyroid hormone levels and thyroid stimulating hormone levels to the normal range, its therapeutic dose often varies from person to person, mainly related to the patient’s condition, age, body weight, individual differences. The use of specific drugs should be under the guidance of a doctor. It is recommended that patients with pituitary hypothyroidism should seek timely medical attention and be treated under the guidance of a doctor after the cause of the disease has been clarified.