The main dietary contraindications for thyroid tumor patients are as follows: 1. Avoid excessive consumption of beef, mutton, chili, sea fish, seafood and other foods, pay attention to dietary nutrition, light diet, and adjust foods with high iodine content according to the function of thyroid gland; eat foods that enhance immunity and have the effect of decongesting and dispersing; 2. Avoid smoking and alcohol, and maintain good living habits; 3. Thyroid adenomas can occur at any age, but are more common in women. Most patients have no conscious symptoms, and thyroid adenomas are often found only when they are examined, most thyroid adenomas are benign, and the malignancy rate does not exceed 10%. Most thyroid adenomas are benign, with a malignancy rate of no more than 10%. Thyroid adenomas grow very slowly and can be treated with thyroid stimulating hormone suppression therapy or surgery.