Probiotics are a kind of active microorganisms which are beneficial to the host by colonizing in the human body and changing the composition of a certain part of the host flora. By regulating the immune function of host mucosa and system, or by regulating the balance of intestinal flora, it can promote the absorption of nutrients and maintain intestinal health, so as to produce a single microorganism or a mixed microorganism with clear composition that is beneficial to the health of host
l The role of Probiotics
Promote the digestion and absorption of nutrients
Probiotics improve immunity
Probiotics maintain the balance of intestinal flora structure
Probiotics improve meat quality
Probiotics improve the level of antioxidation
Probiotics inhibit intestinal inflammation
Probiotics protect intestinal mucosal barrier
1. For artificially fed infants, premature infants, low-weight infants and caesarean babies with low immunity and easy to suffer from cold and intestinal diseases, they need to supplement probiotics to promote intestinal absorption and increase immunity.
2. For people with constipation and diarrhea, probiotics can promote intestinal peristalsis and enhance the balance of intestinal flora, so as to effectively treat constipation and diarrhea. 
3. People with dyspepsia and patients with enteritis.
4. For the middle-aged and old people whose intestinal function is gradually weakened, the probiotics such as bifidobacteria in the intestinal tract are decreased due to their age. It is a beneficial health care measure to supplement probiotics properly.
5. For people with congenital lack of lactase, abdominal distention and diarrhea will occur when the enzyme is absent or lactose cannot be decomposed, so it has a good effect to supplement probiotics properly.
6. For cancer patients undergoing chemotherapy or radiotherapy, probiotics are easy to be killed by chemotherapy drugs, resulting in imbalance of intestinal flora. Therefore, chemotherapy or radiotherapy should actively supplement probiotics.
7. In patients with liver cirrhosis and celitis, probiotics can inhibit the putrefactive bacteria producing amines in the intestine, reduce the content of endotoxin in the blood and the acidity in the intestine, and prevent and treat enterogenous endotoxemia.