1) Appropriate food selection: According to the patient's usual eating habits, various starchy foods can be selected, such as rice, noodles, steamed bread, vermicelli, potatoes, pumpkins and other animal foods, such as beef, pork, mutton and various fish. And all kinds of fresh fruits and foods rich in calcium and phosphorus, such as milk, nuts, fresh fish, etc. , can be appropriately increased in animal viscera.

2) Avoid foods containing iodine, such as kelp, seaweed, Nostoc flagelliforme and iodized salt. , as well as stimulating tea, coffee, tobacco and alcohol.