A night light includes a case, a bottle filled with liquid, an illuminating unit, a heating device, and a power cord unit. The case comprises a main portion and an extending portion. The main portion has a first compartment to accommodate the illuminating unit. The top of the main portion is formed with a first platform to receive the bottle. The extending portion has a second compartment. The heating device is located on a second platform provided at the top of the extending portion. The power cord unit comprises a first power cord connected to a holder of the illuminating unit and a second power cord connected to a heating member of the heating device. When the illuminating unit is conducted, the bottle filled with liquid is to form a water globe night light, and the heating device is conducted to smoke fragrance material.