Clear colored thick nasal discharge in babies is mainly common due to the entry of virus-based pathogens into the baby’s body, causing congestion and edema of the nasal mucosa and exudation of clear colored thick nasal discharge, such an inflammatory reaction. At this time, you should also pay attention to keep your baby warm to avoid getting cold again, you can give your baby more warm juice or glucose water, pat your baby’s back more often, and if necessary, you can use sterile cotton swabs dipped in sterile saline to clean your baby’s nasal cavity and mouth. You can test the blood routine, and if necessary, you can take the nasal mucus to do the culture of pathogens and drug sensitivity test to clarify the cause and carry out anti-inflammatory treatment.