First, probiotics have certain benefits to the stomach, can regulate intestinal flora, promote intestinal digestion and absorption, and have certain therapeutic effects on constipation, diarrhea and dyspepsia. Second, probiotics act on the intestine and are active microorganisms beneficial to the human body. It is precisely because of the normal function of beneficial bacteria that we can ensure the nutrient absorption, detoxification and metabolism of the human body, improve the human immunity, make the body strong, and especially benefit the health of the stomach.