Usually milk, eggs, lean meat, fish, shrimp and so on. You can add high-quality protein into liquid food, or eat more fresh vegetables and fruits, such as spinach, tomatoes, potatoes, bananas, melons and grapefruit. It can maintain electrolyte balance, avoid electrolyte disorder and replenish effective blood volume. Usually you can eat more onions, carrots, pumpkins, apples, strawberries and so on. You can make liquid food and feed it through your nose.