Dietary precautions for high thyroid stimulating hormone need to be judged according to the level of thyroid hormone, and it is generally recommended to have iodine-containing diet and moderate supplementation of protein, vitamins and other nutrients. 1. Normal thyroid hormone level: Usually no special treatment is needed, but relevant examinations should be completed to clarify whether there is subclinical hypothyroidism, Hashimoto’s thyroiditis, etc. The patient should eat iodine-containing food appropriately. Appropriate iodine-containing foods, such as kelp and seaweed, should be consumed, but the amount of intake should be controlled and should not be too much. 2. Reduced levels of thyroid hormones: Hypothyroidism may be present. Usually need to take drugs, so need to eat a light diet to avoid affecting the effectiveness of the drug; also need to moderate consumption of food with high iodine, use iodized salt; appropriate supplementation of nutrients, such as proteins, vitamins, more eggs, meat, vegetables, fruits and other foods. In conclusion, if you have high thyroid stimulating hormone, you should pay attention to a balanced diet and nutrition, and it is recommended that you choose the right diet and medication under the guidance of your doctor.