Baby oral probiotic time in about 2-3 weeks is appropriate, should not be taken for a long time, so as not to affect the normal flora function in the baby. Probiotics are a kind of human intestinal flora, which can synthesize vitamins, and their main role is to maintain the balance of intestinal flora. Newborns taking intestinal probiotics can regulate intestinal flora, restore normal intestinal flora function, promote gastrointestinal digestion and absorption, help promote the recovery of baby’s gastrointestinal tract function, can be used to treat baby’s loss of appetite, nausea, diarrhea, constipation and other symptoms, at the same time probiotics also has the effect of improving baby’s immunity. Because probiotics are live bacteria, need to use less than 40 ℃ warm water or milk to dissolve, more than 40 ℃ will make the live bacteria inactivation failure.