Two months of the baby’s nose on both sides of the blue, clinically there are the following possibilities: first, may be the result of trauma, such as sleeping squeeze or nasal bruises, resulting in the emergence of subcutaneous bruising, this situation can be seen on both sides of the nose blue; second, some of the children with particularly white skin, nose on both sides of the venous plexus through the veins, the venous manifestation of such a blue; third, the child’s nose on both sides of the blue, the child’s nose, the child’s nose, the child’s nose is blue, the child’s nose is blue. At the same time, clinical examination found that the child appeared shortness of breath, respiratory effort, respiratory sound is relatively large, the emergence of laryngeal sounds, clinical examination found that the lips purple and so on clinical manifestations, this situation should be highly alert to the child may have hypoxia and other changes, clinically need to urgently go to pediatrics, to avoid causing accidents may be. The two-month-old baby’s nose on both sides of the blue, pay attention to observe the child’s medical history, the state of the child and so on.