Patients with hypothyroidism should not eat raw cold: such as ice cream, popsicles, ice water, iced food, etc. Avoid using goiter substances: avoid eating soybeans, Chinese cabbage, cabbage, rape, cassava, walnuts, etc. To avoid goiter. Patients with hypothyroidism should limit fat diet and cholesterol-rich diet. Thyroid nodules can be divided into benign and malignant, single and multiple, which have certain influence on patients.