“What kind of salt is safer to eat for thyroid nodules is related to the nature of the nodules. If the thyroid nodules have normal thyroid function, it is advisable to have an iodine-containing diet, which is safer to consume iodized salt, and moderate intake of seafood, such as kelp and seaweed, etc. If the nodules have autonomic function, leading to hyperthyroidism, it is safer to consume non-iodized salt. If the thyroid nodule has its own function, leading to hyperthyroidism, it is advisable to have an iodine-restricted diet, i.e., it is safer to consume non-iodized salt, and avoid eating seafood such as kelp and seaweed. For nodules associated with Hashimoto’s thyroiditis, a “low iodine diet” is recommended, i.e. it is safer to limit the consumption of iodized salt to highly iodized foods such as kelp and seaweed. Patients with thyroid nodules should have a scientific and reasonable diet, and it is recommended that patients with thyroid nodules under the guidance of a doctor to carry out regular treatment.