Baby blushing is capillary congestion and edema of the facial skin. Common cases, such as babies staying too long in too cold or too hot environment, and the facial skin reflexive redness. You can let the baby return to the normal outdoor temperature, indoor temperature, more balanced indoor do not be too cold, too hot, you can use a warm towel gently compress the baby’s face. Also seen in the baby fever, some pathogens invade the baby’s body, such as viruses, bacteria, mycoplasma, chlamydia, rickettsia, etc.. At this time these pathogens occur in the baby’s body inflammatory reaction, and there is a tendency for the body temperature to fluctuate and even gradually climb. If there is dilatation of facial capillaries, blood tests can be performed to identify the cause for symptomatic and etiological treatment.