Intestine is the digestive organ of our human body and plays an important role in digestion, absorption and excretion. Of course, some people call the intestine the "second brain" of human beings. This "second brain" will even "command" our bodies. Intestine is the most important immune organ of human body. More than 70% immune cells live in the intestine, such as T cells, B cells and natural killer cells. Therefore, protecting the intestine is an important way to enhance immunity. 1 Healthy diet to reduce flora imbalance; 2. Improve intestinal autoimmunity and supplement beneficial bacteria appropriately. Good enzymes can be selected to directionally cultivate beneficial bacteria, which contain more than 20 kinds of short-and medium-chain fatty acids, effectively repairing intestinal mucosal injury and intestinal immunity. In addition, resveratrol can also inhibit the adhesion of pathogenic bacteria, relieve intestinal dysfunction and protect damaged intestines through antioxidant, anti-inflammatory and apoptosis-inhibiting effects. (The efficacy of resveratrol has a specific source in the relevant papers of Hongbai at that time. )