Dietary precautions: 1. Eat foods high in calories, vitamins and enough protein and sugar. 2. Patients with subacute thyroiditis should choose mild foods, such as cereals, beans, fruits and vegetables, and often eat raw pears, raw lotus roots, celery, lilies, turtles, duck eggs, snakeheads, mussels and melons. 3, avoid stimulating, spicy, stimulating, refreshing food, such as onion, garlic, ginger, pepper, coffee, cocoa and so on. 4, avoid frying, barbecue and other hot greasy food.