The present disclosure illustrates a nasal aspirator with a lighting function. The nasal aspirator includes a main body, a power supply unit, a sucking unit, air extracting unit, and a lighting unit. The power supply unit is disposed in the main body. The sucking unit is coupled with and extended out of the main body and configured to insert into a nasal cavity. The air extracting unit is disposed in the main body and electrically coupled with the power supply unit, and configured to enable the sucking unit to generate suction. The lighting unit is disposed in the sucking unit, and the power supply unit is configured to drive the air extracting unit and the lighting unit.