Small months old baby diarrhea may be intestinal infection, indigestion and cold, etc., need to keep warm, anti-infection, promote digestion and other treatments. 1. Intestinal infections: the resistance of small-month-old children is relatively low, it is easy to have intestinal infections that cause diarrhea, abdominal pain and other symptoms, such as bacterial infections, need to be used according to the allergy to antibacterial drugs such as cefixime particles, such as viral infections, self-limiting, can not be special treatment. If the diarrhea is severe, Montelukast can be taken orally to stop the diarrhea. 2. indigestion: for small months old children, the gastrointestinal tract is in the developmental stage, gastrointestinal function is not perfect, so it is easy to have indigestion and other problems, this time you need to take Brachycephalae yeast powder and other probiotics to regulate, and at the same time abdominal massage to enhance the function of the intestine, to improve the diarrhea. 3. Cold: abdominal cold will also have diarrhea, mild patients do a good job of keeping warm, the situation can be improved, diarrhea is serious, then you need to take montelukast to stop diarrhea, Lactobacillus acidophilus and other probiotics to regulate the intestinal flora. It is recommended that small-month-old babies with diarrhea consult a doctor in a timely manner, active treatment. The above drugs should be used in accordance with medical advice.