Gastrointestinal food stagnation syndrome, also known as dyspeptic retention syndrome, is a syndrome that some high-protein, high-calorie food cannot be digested normally and is retained in the gastrointestinal tract. Food retention in the gastrointestinal tract is likely to cause internal heat, resulting in diarrhea or constipation. This paper provides an overview of gastrointestinal food stagnation syndrome, its animal models, intestinal microecological characteristics, and treatment of diarrhea with gastrointestinal food stagnation syndrome,...