For sore throat, red eyes and swollen eyes caused by yin deficiency and fire, eating lotus root and black chicken soup can nourish yin and clear heat and relieve the above symptoms. For poor spleen and stomach function, it can nourish the spleen and stomach to stop diarrhea. It is also good for preventing and treating muscle wasting, lack of facial color, edema and thirst caused by deficiency of middle energy. Lotus root and black chicken soup is also rich in minerals, which is effective in preventing osteoporosis, rickets and iron deficiency anemia in women.