The enlarged neck in Hashimoto’s thyroiditis can be improved by intervening with general treatment (iodine-restricted diet), medication (thyroxine, prednisone, etc.) and surgery. 1. General treatment: In daily life, iodine intake should be reasonable to avoid aggravating the condition by excessive intake. 2. Drug treatment: When the goiter is accompanied by pain, glucocorticoid such as prednisone can be applied under the guidance of doctor to improve the inflammation. 3. Surgery: If the goiter doesn’t improve significantly after medication and is accompanied by compression symptoms, thyroid surgery should be considered. Hashimoto’s thyroiditis patients with enlarged necks are advised to seek timely medical treatment under the guidance of a doctor.