An Insertable indicator with a spare receptacle includes an indicating component and a power getting plug, the indicating component comprises an enclosure and an display screen disposed in the enclosure for displaying content, the power getting plug is intended for connection with a car power getting receptacle for obtaining power therefrom and supplying it to the display screen. The indicating component of the enclosure is pivoted with a side of an exposed end of the power getting plug; and an end surface of the exposed end of the power getting plug is provided with a spare receptacle electrically connected to the car power getting receptacle.