Bacillus licheniformis Live Capsules, which enters the intestinal tract in the form of live bacteria, has an antagonistic effect on pathogenic bacteria such as Staphylococcus and yeast, while it has a growth-promoting effect on Bifidobacterium, Lactobacillus, Bacteroides and Streptococcus digestiveis, thus it can adjust the dysbiosis of flora and achieve the purpose of treatment. This product can promote the body to produce antibacterial active substances and kill pathogenic bacteria. In addition, it can make the intestinal tract hypoxic through oxygen-capturing biological effect, thus favoring the growth of a large number of anaerobic bacteria. In clinical practice, it is mainly used for acute and chronic enteritis and diarrhea caused by bacterial or fungal infections. Of course, it can also be used for the prevention and treatment of intestinal flora dysbiosis caused by other reasons.