Most patients with Hashimoto’s thyroiditis can recover from a thick neck. Hashimoto’s thyroiditis is an autoimmune thyroiditis with diffuse inflammatory lesions in the thyroid gland, leading to goiter and thick neck. After professional treatment by an endocrinologist, such as taking levothyroxine sodium tablets and selenium yeast, the goiter will improve in most patients, but it is more difficult to recover from goiter for some patients with a very long course of the disease. Therefore, once patients with Hashimoto’s thyroiditis develop thick necks, it is recommended that they receive standardized treatment at the endocrinology department of a regular hospital as soon as possible, which can alleviate and improve their condition.