Thyroid nodule b ultrasound echo is not strong, whether treatment is needed, should be combined with the thyroid function, the size of the nodule, there are no other signs of malignancy and so on. If the thyroid nodules are relatively small and without obvious symptoms, they can usually be reviewed regularly. However, larger thyroid nodules should be operated as soon as possible. The cause and pathogenesis of thyroid nodules remain unknown. Benign thyroid nodules include multinodular goiter, Hashimoto’s thyroiditis, cysts, etc. The majority of malignant nodules are thyroid cancer. For asymptomatic thyroid nodules, regular follow-up is recommended. Surgery is required for nodules that are highly suspected to be malignant clinically or determined to be suspected malignant or malignant by ultrasound-guided fine-needle aspiration. Surgery is also indicated for nodules presenting with compression symptoms, especially when a retrosternal or mediastinal goiter causes compression symptoms. If the echogenicity of thyroid nodules is found to be weak, it is recommended to follow the doctor’s instructions to carry out the next examination, such as routine blood tests, thyroid ultrasound, etc., to find out the abnormality and then target treatment.