1. Lotus root, fresh lotus root is rich in trace elements such as copper, iron, potassium, zinc, magnesium and manganese. In tuber food, lotus root has a high iron content, so people with iron deficiency anemia are most suitable to eat lotus root. A variety of trace elements in lotus root are beneficial to the production of red blood cells and keep muscles and nerves working normally. In addition, these nutrients also help to secrete digestive enzymes and improve digestion.

2. In traditional Chinese medicine, yam has the functions of "hearing and improving eyesight" and "not being hungry and prolonging life", which is very beneficial to human health. However, it is also circulated among the people that yam has remarkable effects on conditioning physiological ability, weak physique after illness, postpartum aftercare for women and strengthening children's physique, so it is called "food medicine".

3. Water chestnut, "Water chestnut is crisp in August". Water chestnut is rich in nutrition, rich in starch, protein, glucose, unsaturated fatty acids and vitamins, easy to digest and absorb, and has the effects of invigorating spleen, nourishing stomach, tonifying kidney and nourishing blood. The ancients thought that eating more water chestnut could replenish the five internal organs, eliminate all diseases and make people fit. The so-called intellectual man fit has the function of losing weight and bodybuilding.