In addition to finding the cause and treating the original disease, treatment for primary hypothyroidism in adults consists of three main areas: levothyroxine therapy: also known as thyroid hormone replacement therapy, the goal is to restore thyroid hormone levels to normal levels and requires lifelong medication. The dose of treatment depends on the patient’s condition, age, weight, and individual differences. The hormone indexes are checked every 4-6 months at the beginning of the treatment, and are rechecked every 6-12 months after the treatment has reached the standard. Treatment of subclinical hypothyroidism: The dyslipidemia caused by subclinical hypothyroidism can promote the development of atherosclerosis, and some subclinical hypothyroidism can develop into clinical hypothyroidism. Treatment of mucinous edema coma: The patient should be sent to a major endocrine specialist for treatment of critical condition. In summary, the treatment of hypothyroidism symptoms mainly includes these three aspects, but it should be noted that hypothyroidism often requires lifelong medication, do not stop medication on your own.