Newborns with cold and diarrhea can be relieved by keeping warm, adjusting diet and taking medication. 1. Do a good job of keeping warm: parents usually have to do a good job of keeping the newborn warm, especially the abdominal warmth to do a good job, in the night when it is cold to cover the stomach. In the diarrhea period can use hot water bag through the clothes to the abdomen hot compress, pay attention to water is not too hot. 2. Adjust the diet: the baby in diarrhea during the stomach is not good, so try to give the baby small meals, do not feed the baby too much milk at once. Breastfeeding mothers also need to adjust their diet to avoid eating too much greasy, spicy, cold food. 3. Taking medication: For babies with more serious diarrhea, you can go to the hospital for examination and take medication under the guidance of the doctor for treatment, such as montelukast, bacillus subtilis bacillus. There are many diseases that cause diarrhea, and it may not just be caused by cold. It is recommended that the care of newborns must be done, once the baby appears uncomfortable, to consult a doctor in time for examination and treatment. The above drugs need to be used in accordance with medical advice.