Diarrhea caused by bacterial infection in newborns is bacterial enteritis, and is treated with rehydration solution, probiotics and antibacterial drugs. When the baby appeared diarrhea can be given oral rehydration salts solution to drink a small number of times, appeared to cry without tears, eye sockets sunken and other signs of severe dehydration when the doctor prescribed intravenous rehydration therapy. And under the guidance of the doctor oral montelukast antidiarrheal treatment, Clostridium typhimurium bifidum live bacterial powder, Bacillus subtilis bifidum live bacterial granules and other probiotics to regulate the intestinal flora, improve the function of the symptomatic treatment. And according to the pathogen and drug sensitivity results, the choice of antibiotics, such as ceftriaxone, ceftazidime and other drugs. There are many other causes of diarrhea in babies, and it is recommended to consult a doctor in time to be evaluated and handled by a specialist.