Patients with hyperthyroidism can drink soy milk. In hyperthyroidism, patients are required to have a low iodine and high-calorie diet, while soy milk is mainly protein, which can be drunk during diet and is helpful to the health of the body, and together with other carbohydrates and high-calorie diet, it is helpful to the high metabolic symptoms of hyperthyroidism. In addition, you should pay attention to a low iodine diet when you have hyperthyroidism and avoid eating too much iodine-containing food, including various seafood, such as seafood, seaweed and kelp, as well as iodized table salt.