Hashimoto generally refers to Hashimoto’s thyroiditis, which is an autoimmune thyroiditis, the thyroid gland may be enlarged, and with the progression of the disease may suffer from hypothyroidism, it is recommended to follow the doctor’s instructions for treatment. Hashimoto is a common autoimmune thyroid disease. The pathogenesis of Hashimoto may be the body’s immune tolerance has been destroyed, thus producing an immune response against the body’s thyroid gland. The prevalence of Hashimoto in China is 1.6%, with an incidence rate of 6.9/1000, and the prevalence in the female population is 1/30 to 1/10 if hidden cases are included.In the early stage of the disease, most of the patients are only positive for TPOAb, and there are no other clinical symptoms. In the late stage, hypothyroidism is present in most cases. Hashimoto should be treated promptly when symptoms of hypothyroidism appear in the late stage. It is often treated with thyroxine drugs such as levothyroxine sodium. The medication should be used under the supervision of a physician.