Zhong Gentang probiotics come in two packages, the newly packaged pink children's version and the green children's version. Probiotics refer to a kind of biological flora beneficial to human health, which mainly exists in the intestine. By regulating the host mucosa and immune function of the system, or by regulating the balance of intestinal flora, a single microorganism or a mixed microorganism with clear components that is beneficial to health and promotes nutrient absorption can be produced. Common probiotics are Bifidobacterium, Lactobacillus acidophilus and lactic acid bacteria. People usually ingest probiotics by eating foods containing probiotics or probiotic preparations, such as yogurt, yogurt, fermented bean products and so on. Probiotics will not cause diseases or adverse reactions in human body, and can inhibit the growth and reproduction of unfavorable bacteria.