The baby’s poor mental state of cold is caused by the invasion of pathogens in the body, and the mucous membrane of the respiratory tract has undergone an inflammatory reaction, with a large number of inflammatory metabolites oozing out. At this time, we should pay attention to keep warm and avoid the baby from getting cold. Let the baby can have a good bed rest, can enhance the baby’s immunity, restore physical strength, in order to be able to fight with these pathogens that cause colds, timely symptomatic treatment. In addition, the diet should be light, do not eat spicy and stimulating food. You can also test the blood routine to clarify the cause of the disease and anti-pathogen treatment in order to alleviate the symptoms.