Pneumonia patients in most cases is completely can eat some sweet potatoes, pneumonia is mainly immune decline organism by pathogens invasion, and the lung mucosa inflammatory reaction, the immunity is relatively poor. Sweet potatoes are rich in protein, starch, fiber, pectin, amino acids, and a high concentration of vitamin C, vitamin E and many other minerals, to enhance the body’s immunity is very helpful, so for pneumonia patients is beneficial, and contains a wealth of nutrients to repair the lung mucosa. But for their own high blood sugar diabetes patients, in the case of unsatisfactory blood sugar control is not recommended to eat too much sweet potato to prevent blood sugar instability.