Baby red cheeks may belong to the normal physiological phenomenon, at this time without special treatment; there may be colds, allergic reactions and other factors related to the use of allergens away from the allergens and medication and other ways of relief. 1. physiological phenomenon: when the baby is emotionally unstable or crying loudly, the heart rate and respiration will increase, due to the baby’s skin is more tender, the facial subcutaneous capillaries are easy to dilate, accelerated blood circulation, will cause facial skin red or red, this time should be timely to calm the baby’s emotions, generally do not need to do special treatment will disappear. 2. colds: if the baby by bacteria, viruses and pathogenic microbial infections caused by colds, there may be a fever, can also lead to facial vasodilatation caused by the phenomenon of red cheeks, this time to measure the baby’s body temperature in a timely manner, if you determine that the fever can be selected to reduce physical cooling of the way to reduce the fever, or in the doctor’s advice to choose the ibuprofen suspension gel, acetaminophen and other medications. 3. Allergic reaction: Because the baby’s skin is relatively delicate, it is easily stimulated by food, pollen, smoke, dust and other allergens, which will cause irritation to the facial skin and trigger an allergic reaction. At this time, it is necessary to stay away from allergens as much as possible, and to keep the baby’s facial skin clean, and to choose the topical medications such as Glycerine Wash and Dinocap and other topical medications under the advice of a doctor. All of the above drugs should be used under the guidance of the doctor, avoid self-medication. There may be other causes of redness on baby’s cheeks, so it is recommended to consult a doctor in time to be evaluated and treated by a specialist.