1, Chinese yam contains protein, sugar, vitamins, fat, choline, amylase and other ingredients, as well as iodine, calcium, iron, phosphorus and other indispensable inorganic salts and trace elements. Eating yam at the autumnal equinox can warm the body and nourish the stomach. It is a good nourishing product with low price and good quality, suitable for all ages.

2. Lettuce can improve the function of digestive system. Lettuce contains a lot of cellulose, which can promote the peristalsis of human intestinal wall and prevent constipation. The whey of lettuce can enhance the secretion of gastric juice, digestive glands and bile, and can quickly help the human body to expel stool, toxins and turbid gas, thus playing the role of clearing the intestines, losing weight and slimming.

3. Sweet potato is rich in essential nutrients such as starch, vitamins and cellulose, as well as mineral elements such as magnesium, phosphorus and calcium and linoleic acid. In addition, sweet potato is an ideal diet food, because it is rich in cellulose and pectin, which can prevent sugar from transforming into fat.