Stomach patients can eat a moderate amount of soy products, because soy products are rich in plant protein, amino acids, trace elements and other components, plant protein, amino acids belong to the gastrointestinal tissues are more easily decomposed, absorbed energy substances, to ensure that the body’s major organs and tissues of the functioning of the operation. It contains calcium, iron, zinc and other trace elements, in addition to promoting the digestive system tissue blood circulation metabolic efficiency, but also accelerate the stomach for the decomposition of nutrients in the food, the speed of transformation, the use of intestinal tissue absorption, utilization. However, soybean products contain more oligosaccharides, which are easy to metabolize with gas-producing bacteria in the digestive tract, generating a large amount of gaseous substances, gastrointestinal tract tissues, gastrointestinal tissues, gastric and intestinal tissues, gastric and epigastric distension, nausea, vomiting, acid reflux, chest tightness, and other undesirable symptoms and reactions.