Acute gastroenteritis in 1 year old babies can be improved by using montelukast, mummy love, lactasexan. 1 year old babies’ gastrointestinal function is relatively poor, and acute gastroenteritis can be induced when they are exposed to external stimuli. During the onset of the disease, parents can do a good job of keeping the abdomen warm, and pay more attention to replenish water. Montmorillonite powder has the role of astringent antidiarrheal, not only can protect the intestinal and gastric mucosa. At the same time, it can also adsorb viruses and bacteria in the intestinal tract and reduce intestinal peristalsis, so it can achieve the purpose of stopping diarrhea. Mamma Love is mainly used for abdominal symptoms caused by imbalance of intestinal flora, such as bloating, diarrhea, constipation, dyspepsia, etc. It can regulate intestinal flora and improve intestinal immunity. Lactasexant, when taken, allows the sugar in the intestines to be broken down into lactic acid. At the same time, it inhibits the growth of spoilage bacteria in the intestines and prevents the fermentation of protein, which can achieve the effect of promoting digestion and stopping diarrhea after taking it.