Hashimoto’s thyroiditis is a common chronic autoimmune thyroid disease, and iodine intake is highly correlated with the development of Hashimoto’s thyroiditis. The foods to be avoided in the daily diet of patients with Hashimoto’s thyroiditis are mainly iodine-rich foods and foods that may affect the therapeutic effect. There are usually no requirements for the ten items of contraindication: 1. Iodine-rich foods: such as kelp, nori, seaweed, sea fish, shellfish, etc., should be restricted or avoided to avoid aggravating the disease, but iodized salt is generally available; 2. Spicy and stimulating foods: such as chili, pepper Pepper, mustard, onion, ginger, garlic and other foods, as well as tobacco and alcohol, should be avoided. Such foods may affect the therapeutic effect or stimulate the mucous membrane of the gastrointestinal tract and cause other uncomfortable symptoms; 3. Other: avoid eating moldy, smoked, pickled and other carcinogenic categories of food to avoid damage to health. In addition, patients with Hashimoto’s thyroiditis can increase the intake of high-fiber foods, such as soybeans, mung beans, oats, etc., to help patients recover from their condition. It is also necessary to pay attention to the timely supplementation of vitamins, and more vitamin B2 and vitamin C rich foods can be consumed, such as appropriate increase in animal liver as well as fresh vegetables and fruits, etc. Vitamin preparations can also be used when necessary.