Six-year-old boy examination suggests that the thyroid nodule, and belongs to the category 3, the general use of regular review and drug treatment can be. 1. Regular review: patients with category 3 thyroid nodules and clear edges of thyroid nodules are recommended to take regular ultrasound review, the frequency of review is generally 3~6 months/times, and need to pay attention to the changes in the elasticity score of the patient’s thyroid nodular mass. 2. Medication: If the patient has symptoms such as agitation, hand tremor, excessive sweating or fatigue, blood test can be carried out, if the patient suggests that the patient has hyperthyroidism, propylthiouracil can be used, and if the test suggests that the patient has hypothyroidism, thyroxine tablets can be taken appropriately. At the same time, the above conditions need to be tested regularly for thyroid function. All of the above medications should be used under the guidance of a doctor, avoid self-medication.