Two-year-old baby diarrhea in watery stools may be intestinal dysfunction, intestinal flora imbalance, viral enteritis, bacillary dysentery caused by, generally through the treatment of drugs. 1. Gastrointestinal dysfunction: also known as gastrointestinal neurosis, can appear diarrhea is watery. You can take Saccharomyces boulardii to regulate the intestinal environment, combined with montelukast to astringent diarrhea. 2. Intestinal flora imbalance: diarrhea caused by excessive reproduction of harmful bacteria in watery stools, you can take probiotics, such as Saccharomyces boulardii, Bacillus subtilis bacillus granules to regulate the bacterial flora, together with Montelukast and other drugs to stop diarrhea. 3. Viral enteritis: acute intestinal infections caused by viruses, can be manifested as diarrhea in watery stools, symptomatic treatment, you can take montelukast to stop diarrhea treatment, you can also give bifidobacteria to improve the intestinal flora, and pay attention to replenish water and electrolytes. 4. Bacterial dysentery: intestinal infection caused by bacteria in the diarrhea of watery stools, first of all, should be actively anti-infective treatment, oral anti-infection such as cefixime. The severe diarrhea at the same time can take montelukast astringent antidiarrheal. Two-year-old baby diarrhea was watery, it is recommended to seek medical advice as soon as possible, to identify the cause of the doctor’s prescription medication. The above medications should be used in accordance with medical advice. Do not blindly use your own medicine.