Pneumonia can cause hypoxia and carbon dioxide retention, which can cause acid-base balance imbalance in the body, myocardial dystrophy and affect the nervous system. Therefore, you should eat more foods rich in iron and copper, such as animal liver, kidney, heart, egg yolk, sesame paste, soybeans, taro, rape, eggplant, shepherd's purse, etc.

This can help carry and transport oxygen. At the same time, you should eat more calcium-rich foods, such as dried shrimps, sesame seeds, milk, bone soup, etc., to nourish the heart muscle and nerves.