If the cystic nodules are not particularly large and the patient does not have obvious physical symptoms, treatment may not be necessary. For cystic nodules that produce physical symptoms, surgery may be considered. The most common cause of thyroid nodules is the abnormal proliferation of thyroid tissue, and the most common trigger is the abnormal intake of iodine, too much or too little of which can stimulate the thyroid tissue. According to the ultrasound examination of the thyroid gland, according to the nature and internal structure of the nodules, they are broadly classified into: cystic nodules, cystic nodules, and solid nodules. Cystic nodules are basically benign lesions, and most of the nodules are liquid, which basically does not affect the secretion of thyroid hormones. Surgery can be considered. In addition, daily attention to protect the thyroid gland, try to reduce external stimulation, pay attention not to squeeze the stimulation of the neck, regular daily diet, regular rest, avoid the stimulation of tobacco and alcohol, must pay attention to the intake of iodine, can reduce the stimulation of nodules, try to ensure that the condition is stable.