There is no reliable evidence to confirm that selenium yeast tablets can treat thyroid nodules, at present, the mainstream domestic and international thyroid nodule medical community for the treatment of thyroid nodules is the opinion that, if you consider benign nodules, under the premise of normal thyroid function does not need to take any medication, and does not need to be tied acupuncture or external application of medication, regular observation can be. If it is a malignant thyroid nodule, surgical intervention is needed as soon as possible. Clinically, the degree of malignancy of the nodule is mainly judged based on thyroid ultrasound and thyroid function. For example, thyroid nodule grows rapidly in a short period of time, or the growth mode of the nodule changes to longitudinal growth, which is described as aspect ratio >1 on ultrasound; or the boundary of the nodule becomes unclear and hard, and there are multiple gravel-like calcifications; or the blood flow signal in the nodule becomes rich, and there is adhesion to the surrounding soft tissues; or there are even multiple enlarged cervical lymph nodes outside of the nodule, especially there are gravel-like calcifications in the lymph nodes. The situation. If any of the above conditions are met, the nodule is considered to be at risk of malignancy and a puncture biopsy can be performed to confirm the diagnosis. If the results of the biopsy show that the thyroid nodule is benign, observation can be continued; if the results of the biopsy show that the nodule is malignant, surgical intervention is needed as soon as possible. It is not recommended to take oral medication, no matter it is traditional Chinese medicine or western medicine, or acupuncture, massage, external compresses and other traditional Chinese medical treatment methods, and regular review can be done.