Thyroid nodule 6 cm is usually a large nodule, may produce pressure symptoms, such as hoarseness, breathing difficulties, etc., usually more critical, it is recommended to seek medical attention in a timely manner, under the guidance of the doctor to clarify the diagnosis and then surgical removal. Thyroid nodules are prone to produce compression symptoms when they are large in size. Behind the thyroid gland are the trachea and esophagus. If the trachea is compressed, it will easily lead to breathing difficulties, while the esophagus will easily lead to swallowing disorders. Rapidly growing thyroid nodules also need to be suspected as malignant lesions, and pathologic examination is performed after surgical removal to clarify the nature of the nodule. Therefore, it is recommended that larger thyroid nodules should be surgically removed to prevent symptoms of compression and obstruction. Patients with thyroid nodules that increase rapidly in size over a short period of time are advised to seek prompt medical attention.