The thyroid gland in diabetic patients needs more attention because diabetes, as an endocrine metabolic disease, has a more pronounced effect on the endocrine-related systems, including the thyroid gland, which is very important. Diabetics are more prone to hyperthyroidism than the general population because the high blood sugar level affects the body’s immune system. Immune dysfunction may produce pathogenic hyperthyroid antibodies, that is, thyrotropic receptor antibodies, which stimulate the normal cellular organization of the thyroid gland, forming thyrotoxic cells, and ultimately causing the manifestation of thyrotoxicosis. Therefore, for diabetic patients, standardized control of the disease is of great significance, not only to improve the patient’s symptoms of three more and one less, but also to prevent complications, as well as the prevention of hyperthyroidism such as the disease, the patient’s overall quality of life for the improvement of the role of a very decisive.