Newborns have just come into the world, the external environment and temperature are not adapted, so it is easy to have respiratory infections, newborns usually have a cold choking, spitting up, runny nose and other conditions appear. Fever: when a newborn baby has an infection, it is rare to have a fever, and when the infection is serious, the body temperature may not rise. If the child has a fever, it is usually a sign of a serious infection for newborn babies, and it is necessary to pay attention to timely medical attention Choking: newborn babies with colds may often have a choking and coughing on the breast milk, which is often accompanied by nasal congestion, but it is also important to pay attention to the combination of other symptoms, such as the lack of spirit, more than one cry, and vomiting. The newborns may also have a cold that is often accompanied by a stuffy nose. Spitting up: Some newborns with colds will not only lose their appetite, but also spit up, which can also help diagnose the cold. However, if the spitting up is the only symptom and everything else is normal, it is not possible to diagnose a cold, and it may be caused by other reasons. Determining a newborn’s cold is not a difficult task. Parents should be vigilant and take their children to the hospital for a detailed examination and treatment when they notice the above symptoms in their babies, so as to prevent the cold from developing into a serious problem.