High fecal calprotectin test suggests inflammation of the intestines (such as ulcerative colitis, etc.), irritable bowel syndrome and so on. It is recommended to go to the regular hospital for further examination to clarify the cause of the disease and treat the symptoms. Fecal calreticulin, which is mainly distributed in neutrophils and not easily degraded by enzymes, is an indicator for detecting intestinal inflammation. It is an indicator of intestinal inflammation. It is also used in conjunction with colonoscopy to clearly diagnose inflammatory bowel disease. Fecal calprotectin has the advantages of being non-invasive and convenient. It is commonly used in the review of irritable bowel syndrome, and has a certain reference value for the recurrence and healing of the disease. It is now widely used in clinical tests. In daily life, it is appropriate to eat more vitamin-rich food and avoid spicy stimulating food. Specific indicators should be standardized under the guidance of doctors.