Baby diarrhea after cold can be treated through life intervention, the use of drugs and other ways to treat. 1. Life Intervention: After a baby gets cold and has diarrhea, first of all, you should pay attention to keep the abdomen warm to avoid catching cold again and thus aggravating the diarrhea; you can also apply hot compresses to the abdomen. It is also recommended to feed the baby more hot water to avoid dehydration. 2. the use of drugs: baby cold diarrhea is usually recommended to use probiotics such as Saccharomyces boulardii to regulate intestinal flora, montelukast to stop diarrhea. If the symptoms are more serious, in order to avoid dehydration, at the same time can also use rehydration drugs such as rehydration salts for treatment. If the baby after the cold diarrhea symptoms are not relieved, or accompanied by other symptoms, should promptly consult the doctor, to identify the cause and give targeted treatment. The above medications should be used in accordance with medical advice.