Whether a thyroid nodule needs to be removed is not based on the size of the nodule, but rather on the nature of the nodule or the presence of localized pressure symptoms. Malignant thyroid nodules or nodules that have grown so large that they cause difficulty in breathing or swallowing need to be removed. Most thyroid nodules are benign and generally do not require surgical removal and regular checkups are sufficient. However, there are some nodules that are large in size and may even press on the esophagus or trachea, resulting in discomfort such as difficulty in swallowing or breathing, and then need to be surgically removed. Malignant thyroid nodules, even if they are small in size, need to be surgically removed in time, otherwise the cancer cells may spread and metastasize, and after surgery, patients need to take levothyroxine to maintain the normal function of the thyroid gland. For patients with thyroid nodules, it is recommended to complete the relevant examinations under the guidance of doctors to clarify the nature of thyroid nodules and follow the doctor’s instructions to choose the appropriate treatment.