Red dots around the corners of the baby’s mouth, some of them belong to eczema, which is caused by an allergic skin disease. There are also some babies with this condition, for example, when drinking water, the cup irritates the corner of the mouth after the appearance of petechiae, petechiae, performance with some red dots, clinically called pressure purpura, irritation purpura. In fact, this situation usually does not need treatment, observation can be, usually try to prevent, do not be stimulated. After eating milk, wipe the skin clean, if it is eczema, you need to take oral medication or topical anti-allergy medicine for treatment, which can quickly promote the recovery of the condition.