Probiotics can improve intestinal function, help nutrient digestion and absorption, maintain the balance of intestinal flora structure, and improve the immunity of the body, etc. It is recommended to take them in the morning on an empty stomach or with meals, and the water temperature should not be too high when taking them. When children have diarrhea, indigestion, constipation and long-term use of antibiotics leading to intestinal flora disorders, probiotics can be used in appropriate amounts; pregnant women can also use probiotics in the third month of pregnancy, and can continue to add during breastfeeding, so that the baby gets enough probiotics from the mother; cesarean section, premature birth, low weight, low immunity and non-breastfeeding children, in order to protect the intestinal flora, prevent In order to protect the intestinal flora and prevent loss of appetite and dry stools, probiotics can also be supplemented in appropriate amounts to help improve the immune system of children. It should be noted that probiotics are not recommended to be taken continuously for a long time, so as not to form dependence and resistance.