Probiotics can adjust the intestinal flora imbalance, prevent diarrhea, constipation, etc. It can also strengthen the resistance, and probiotics can also have a certain effect on diarrhea caused by allergies. There are many kinds of probiotics, the common ones are Lactobacillus, Bifidobacterium, Enterococcus, etc. They can regulate the intestinal environment, and have a certain effect on indigestion or diarrhea caused by antibiotic-related enteritis, and can also prevent constipation, probiotics can also promote digestion, and generally have no obvious adverse effects. Probiotics encountered when the temperature is too high, easy to be damaged need low temperature preservation, generally in 2-8 ℃ refrigerated preservation, taking probiotics water temperature generally does not exceed 40 ℃. In the use of probiotics and antibiotics, the two need to interval 1-2 hours, general yogurt also contains a small amount of probiotics, for constipation people can drink in moderation.