Flatulence is mainly caused by gastroenteritis and irritable bowel syndrome. Generally, probiotics for anti-flatulence are mainly considered as Bifidobacterium bifidum and Saccharomyces boulardii. When the patient has gastroenteritis, the intestinal wall is edematous, there is a large amount of inflammatory substances in the intestines, and the intestinal flora is imbalanced, leading to bloating, abdominal pain and other discomforts. At this time, follow the doctor’s instructions to take probiotics can regulate the intestinal flora, so that it restores the normal ratio, thus promoting gastrointestinal peristalsis, ensure gastrointestinal function, relieve bloating, diarrhea, constipation and other discomforts, clinically choose bifidobacteria, bacillus boulardii, and so on. However, probiotics that regulate the intestinal tract are mostly live bacteria and need to be kept refrigerated. Patients should consult a physician before using the drug, under the guidance of the physician to use the drug, not blindly choose their own drugs for treatment.