Hashimoto, or Hashimoto’s thyroiditis, is an autoimmune thyroid disease in which thyroid function may be normal, hyper or hypothyroid at different stages of the disease, and different treatments may be taken depending on the condition. Hashimoto’s thyroiditis, also known as chronic lymphocytic thyroiditis. The disease starts insidiously, progresses slowly, and has a long course. The main manifestation is an enlarged thyroid gland, most of which are diffuse, a few of which can be limited, and some of which start with a feeling of swelling in the face and limbs. The disease develops slowly and can remain unchanged for many years. When the thyroid function is normal and the clinical symptoms are not obvious, there is no need for special treatment, and regular review is sufficient; when the thyroid function is abnormal, the thyroid enlargement is significant or painful, and there are pressure symptoms, treatment is needed, such as beta-blockers, thyroid hormone replacement therapy, and surgical treatment. It is recommended that patients go to regular hospitals in time and follow the doctor’s instructions for treatment.