When you have a fever, it is recommended to eat light and digestible food with high protein and warmth, which can supplement human nutrition, but food cannot cure fever. If the symptoms are serious, you should seek medical advice promptly. 1. Light and digestible: Patients can eat light and digestible foods, such as millet porridge, corn porridge and noodles. A balanced diet can usually supplement nutrition and is also conducive to the recovery of diseases. 2, high-protein food: when you have a fever, you can eat foods rich in protein and vitamins, such as eggs, fish and spinach, which can supplement the body's nutrition and relieve fatigue, and can also cooperate with physical cooling or medicine to reduce fever and relieve discomfort. 3, warm food: cold food may cause gastrointestinal discomfort, it is recommended that patients choose warm food during eating. Patients should pay attention to the ventilation of the air, and it is recommended to open the window for ventilation. Pay attention to light diet in daily life and try to avoid spicy and irritating foods, such as garlic and pepper, which will help the recovery of the disease.