The etiology of hypothyroidism is complex, with primary cases being the most common, followed by pituitary cases, and all others being rare. Patients may experience weakness of the limbs, hypoendocrine function, hypotension, vertigo, myasthenia gravis, abnormal body shape, abnormal breathing and other symptoms. Patients with hypothyroidism should pay a lot of attention to their daily diet. The following are the dietary contraindications of hypothyroidism: 1. Hypothyroidism patients should choose food Due to iodine deficiency caused by hypothyroidism, you need to choose the right amount of kelp, nori, available iodized salt, iodized soy sauce, iodized eggs and bread iodized. When stir-frying, it should be noted that iodized salt should not be put into boiling oil to avoid iodine volatilization and lower iodine concentration. Protein supplementation can be made with eggs, dairy, various kinds of meat and fish; vegetable proteins can be complementary, such as various kinds of soy products and soybeans. Supply of animal liver can correct anemia, but also to ensure the supply of a variety of vegetables and fresh fruit. 2, hypothyroidism patients avoid choosing food Avoid all kinds of goiter substances, such as cabbage, cabbage, rape, cassava, walnuts, etc.; avoid cholesterol-rich foods, such as cream, animal brain and offal, etc. Limit the use of high-fat foods, such as cooking oil, peanuts, walnuts, almonds, sesame paste, ham, meat, cheese, etc.