Patients with hypothyroidism must pay more attention to the conditioning of diet, and never underestimate the efficacy of diet. In hypothyroidism, we should supplement enough protein and limit the intake of fat and cholesterol. We should eat high-calorie and digestible foods, such as eggs, milk, meat, fish, coriander, apricots, dates and dried plums. Avoid eating foods that cause goiter. Do not eat Chinese cabbage, cabbage, cabbage, rape, cassava, walnuts and other foods to avoid goiter. Suggestion: Pay more attention to rest, don't stay up late to work, don't get angry, and pay attention to mental health.