Women with hypothyroidism generally do not develop thyroid tumors, as there is no necessary correlation between the two. Hypothyroidism is caused by a decrease in the synthesis and secretion of thyroid hormones in the body, leading to a series of symptoms associated with a slowed metabolic rate. The occurrence of hypothyroidism is due to a reduction in the synthesis and secretion of thyroid hormones, while thyroid cancer is mainly due to a change in the nature of the thyroid tissue. Decreased thyroid function is caused by an abnormality in thyroid secretion function. Therefore, it is advised that such patients should not worry too much, avoid placing too much mental and psychological stress on themselves, maintain a good daily routine, avoid staying up late, smoking, or drinking alcohol, and regularly review their thyroid ultrasound and thyroid function to dynamically observe the occurrence and development of thyroid diseases.