Suitable diet: 1. High protein and nutritious food is recommended; 2. Vitamin and mineral-rich food is recommended; 3. High-calorie and easy-to-digest food is recommended. Dietary contraindications: 1, avoid eating greasy and indigestible food; 2, avoid eating fried, smoked, barbecued, raw and cold, stimulating food; 3, avoid eating high salt and high fat food.