There are many foods that hyperthyroidism patients cannot eat. The seven common foods are: 1. cabbage: cabbage is rich in thiocyanic acid, which can aggravate goiter after eating, so it should not be eaten more; 2. pork: hyperthyroidism patients will have diarrhea symptoms. 3, mutton: hyperthyroidism patients have a high basal metabolic rate and are prone to sweating and fever, mutton is a hot food, if consumed in excess, it may aggravate the fever symptoms; 4, cold fruits: cold fruits may stimulate the gastrointestinal tract of hyperthyroidism patients, thus aggravating the diarrhea symptoms of hyperthyroidism; 5, spicy and stimulating food: hyperthyroidism patients are in a state of excitement for a long time, if they consume spicy and stimulating food, they may be further stimulated. If they consume spicy and stimulating food, they may be further stimulated, leading to further aggravation of their condition; 6. Seafood plants: For example, kelp is rich in iodine, which can promote the synthesis of thyroid hormones, and the increase of thyroid hormones will aggravate the condition of hyperthyroidism; 7. Seafood animals: For example, seafood is rich in iodine, which is absorbed by the thyroid gland, leading to an increase in the synthesis of thyroid hormones, resulting in the aggravation of the symptoms of hyperthyroidism. In addition to these, nori, jellyfish, lard, butter, beef, dog meat, pepper, kale, etc. are also foods that should be avoided by hyperthyroid patients.