Elderly people with pneumonia need to pay attention to a light diet, eat more fruits and vegetables, and avoid cold and irritating food. Avoid spicy and stimulating foods, and don’t eat hard and cold foods. Eat more vegetables and fruits rich in vitamin C, such as grapefruit, strawberries, etc., to increase body water. At the same time, quit smoking and drinking, try not to drink strong tea, coffee and other stimulating things. If you have any symptoms, you should go to the hospital for examination and actively cooperate with the doctor for treatment.