There are many causes of hypothyroidism, some of which can be cured and some of which cannot. For example, hypothyroidism caused by anti-thyroid drugs and subacute thyroiditis can be cured, while hypothyroidism caused by Hashimoto’s thyroiditis and surgery generally cannot be cured and requires long-term treatment. Most of the hypothyroidism is a lifelong disease, can not be cured, need to take levothyroxine sodium tablets for life as a replacement therapy, such as Hashimoto’s thyroiditis, thyroid surgery, radioactive iodine treatment, trauma and other causes of hypothyroidism. There are also some hypothyroidism can be cured, for example, hypothyroidism caused by antithyroid drugs can be recovered after reducing the dose of the drug or stopping the drug; hypothyroidism caused by subacute thyroiditis and postpartum thyroiditis is mostly transient and can be cured in general. Patients with hypothyroidism should go to the hospital and be treated under the guidance of a doctor.