There is no food that patients with simple thyroid nodules can’t eat, but if thyroid nodules are combined with hyperthyroidism, it’s not suitable to eat iodine-rich food, such as kelp, nori, etc. 1. 1. Patients with thyroid nodules who have normal thyroid function are recommended to have a “moderate iodine diet”, which includes iodized salt and moderate intake of seafood, such as kelp and seaweed. 2. If the thyroid nodule has autonomous function, leading to hyperthyroidism, it is advisable to “limit iodine diet”, i.e. consume non-iodized salt and avoid iodine-rich foods. 3. For nodules combined with Hashimoto’s thyroiditis, a “low iodine diet” is recommended, i.e. consuming iodized salt and restricting high iodine foods. 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.