Thyroglossal cystadenoma is a kind of common benign tumor of thyroid gland, which is mostly manifested as toxic diffuse goiter; the cost of thyroglossal cystadenoma surgery needs to be analyzed according to the severity and location, the city where it is located, the level of hospitals and other factors, and the cost varies from 10,000 to 26,000 in most cases. If the thyroid cystadenoma only appears on one side and is benign, then it can be treated by unilateral adenoma total excision surgery; the cost is usually around twelve thousand dollars. However, if there are adenomas on both sides of the thyroid, the cost of the surgery is about 15,000; if the adenoma is serious enough to become thyroid cancer, the cost is about 5,000 more on top of that; there are two types of surgeries: open and minimally invasive, and the cost of minimally invasive surgery is a little bit higher, usually about 26,000 yuan. At the same time, the cost of surgery is also affected by the level of the city and the level of hospitals, etc. It is recommended to consult a doctor and make a choice.