Thyroid nodules are not normal no matter how large they are. The severity of thyroid nodules depends mainly on whether they are benign or malignant. Most thyroid nodules are benign adenomatous nodules or cysts, which usually do not require treatment if there are no obvious symptoms. Malignant nodules can be removed surgically. Thyroid nodules are confined masses in the thyroid tissue following abnormal proliferation of thyroid cells. They are generally categorized as benign nodules and malignant nodules. Most thyroid nodules are benign and asymptomatic and may not require treatment. If a malignant nodule is identified after high-resolution ultrasound, early treatment is recommended. For malignant thyroid nodules, surgical removal, such as total thyroidectomy and lobectomy, is recommended. If the nodule causes hyperthyroidism or hypothyroidism, it is necessary to pay attention to the use of corresponding drugs to control the body’s thyroid hormone level normal. The presence of thyroid nodules, regardless of the size of the nodules, is an abnormal phenomenon. It is recommended that the patient consults a regular hospital, completes the relevant examinations according to the doctor’s instructions, confirms the nature of the thyroid nodule, and gives the corresponding treatment if necessary.