Thyroid function test generally refers to the thyroid function test, the price of which is affected by the region, hospital level and other factors, with a certain degree of variability, generally between 280-300 dollars. Thyroid function test is a very important indicator for the diagnosis of hyperthyroidism, hypothyroidism, subclinical hyperthyroidism, subclinical hypothyroidism and other diseases, and plays an important role in the differential diagnosis of thyroid disorders and evaluation of treatment effects, and its price is affected by a variety of factors, the specific hospitals to prevail. In addition, it should be noted that the thyroid function test needs to be performed in the morning after 8-12 hours of fasting and blood collection, so eating should be avoided before the test. If abnormal thyroid function is detected, it is necessary to consult a doctor in time for diagnosis and timely treatment to avoid delaying the condition.