Patients with heartburn and acid reflux symptoms can consume yams because they contain a variety of nutrients that have a significant therapeutic effect on patients with stomach disorders. First of all, yam contains a variety of essential amino acids, such as lysine, leucine-alanine, methionine, etc. These substances can not only replenish the essential nutrients, but also improve the quality of life. These substances can not only supplement the body’s essential nutrients, improve the body’s immune system, and also help collagen synthesis, promote the regeneration and repair of damaged cells. Secondly, yam is relatively rich in water-soluble dietary fiber, which can be combined with gastric proteins and form a protective film on the surface of the mucous membrane of the stomach wall, reducing gastric acid, bile and other acidic liquids, the stimulating effect on the diseased tissues, and play a role in relieving stomach pain, acid reflux, burning and other symptoms of the disease. Finally, it contains calcium, iron, zinc and other trace elements, can enhance the activity of gastric enzymes, improve the disease caused by loss of appetite, indigestion, malnutrition and other conditions.