Thyroid nodules of category 3 are nodules with an ultrasound TI-RADS score of 3. They are less likely to be malignant and most are benign nodules. If the nodules are small in diameter and are not accompanied by other clinical manifestations, it is necessary to check the indicators of thyroid function. If the thyroid nodules are benign, there is no need for surgery in this case, as long as the ultrasound examination is kept once every six months and if there is no change in the condition, the follow-up can be continued. You should pay attention to your daily routine and diet, do not stay up late, pay attention to emotional stability, and avoid spicy and stimulating foods. If the diameter of the nodule is enlarged at the time of review, the doctor will assess the nodule and decide on a treatment plan that takes into account the patient’s specific situation. 2. If the thyroid nodules are malignant, and if hyperthyroidism or hypothyroidism is present, surgical intervention is required.