Most patients with papillary thyroid cancer do not significantly affect their life expectancy after surgery and are able to achieve the same survival time as the general population. In patients with papillary thyroid cancer, the majority of patients have a good prognosis. Thyroid cancer itself is a lazy cancer that develops slowly and is further excised after surgery to remove the cancerous tissue, which reduces the chance of recurrence even more and can prolong the survival cycle. At the same time, in order to prolong the patient’s life and reduce the chance of recurrence, two steps are usually performed after surgery: the first step is to perform radioactive iodine-131 treatment, which is chosen according to the situation to remove the thyroid cancer tissues and metastatic lesions that were not completely removed by surgery through radioactive iodine-131; the second step is to apply long-term thyroid hormone replacement and supplementation therapy, which can also suppress the TSH level and reduce the chances of recurrence. Through these aspects, the patient’s survival cycle can be significantly prolonged and the chance of recurrence can be reduced to achieve the goal of long-term survival.