Thyroid grade 3 usually refers to thyroid nodule grade 3, which is a type of grading under ultrasound. There is no such thing as the best treatment for a disease, that is, there is no such thing as the best current treatment for thyroid grade 3, and patients with thyroid nodules grade 3 need to be treated according to their specific condition. Generally according to the ultrasonographic examination of the thyroid nodule is divided into 1 ~ 6, thyroid nodule grade 3 is not necessarily malignant, thyroid nodule grade 3 benign possibility, malignant possibility is small. For patients with grade 3 thyroid nodules, it is recommended to conduct thyroid function tests, such as thyroid function is normal, and generally review the thyroid ultrasound once every 3~6 months; if the nodules of patients with grade 3 thyroid nodules are relatively large, accompanied by localized pressure symptoms, or malignant, surgical resection can be carried out under the guidance of the doctor. Thyroid nodule grade 3, it is recommended to go to the regular hospital, under the guidance of the doctor for treatment, so as not to delay the condition.