Gut microorganisms play an important role in intestinal nutrition absorption, body metabolism, immune development, and resistance to pathogens. Imbalance of intestinal microecology can not only cause gastrointestinal related diseases such as indigestion, diarrhea, necrotic colitis (NE), irritable bowel syndrome (IBS), inflammatory bowel disease (IBD); metabolic diseases (obesity, diabetes, fatty liver, and cirrhosis, etc.); clostridium difficile infections; acute pancreatitis; allergic asthma; cardiovascular diseases (such as hypertension, atherosclerosis, myocardial infarction, and heart…