Itchy thyroid nodules are often caused by further enlargement of thyroid nodules, and need to go to the general surgery department or head and neck surgery department of the hospital for examination, because when the thyroid nodules are enlarged, it can cause local itching, pain and other uncomfortable symptoms. In the hospital, the doctor will usually check the ultrasound of the neck or CT of the neck, as well as checking the function of the thyroid gland, thyroid ribonucleic acid (TN) scanning, etc. If it is considered to be benign and the swelling is not big, you can try oral medication, such as levothyroxine tablets. If the condition is considered benign and the swelling is small, oral medication such as levothyroxine tablets can be tried. If the swelling is large and also considered malignant, it is necessary to actively improve the examination, surgical resection, and rapid pathology. If the tumor is considered malignant, radical surgery of the tumor is needed. During the examination and treatment, try to avoid eating too spicy food, such as chili peppers, chili sticks, spicy hot pot, etc., and cannot drink drinks containing alcohol, because these will lead to local discomfort, and at the same time will affect the examination results and treatment.