There may be a relationship between the thyroid and gray hair. Thyroid disease may affect the level of thyroid hormones, indirectly affecting the pituitary gland secretion of melanin, melanin abnormalities in the body, resulting in gray hair. Prolonged emotional tension, anxiety and other negative emotions may also trigger gray hair, while hyperthyroidism due to abnormal levels of thyroid hormones in the body can lead to patients in a kind of anxiety, irritability, irritability, may also trigger gray hair. In addition, gray hair can also be caused by other diseases such as albinism, genetic metabolic disease or physiological factors. Patients with thyroid disorders who experience gray hair can visit a hospital and ask their doctor to make a judgment and clarify the cause.