The invention discloses a system and a method for remote inquiry and call of an idle taxi. The system is composed of a vehicle-mounted global position system (GPS) navigation and positioning system, a to-be-called information receive-and-send processor, a wireless mobile communication network, a central processing computer, a calling-person GPS navigation and positioning system, a called-taxi information receive-and-send processor, a city electronic traffic map, management and control software, a taxi subscriber identity module (SIM) card, a calling-person SIM card, a taxi SIM card number and license plate number corresponding data base, and a calling-person SIM card number and cell-phone number corresponding data base. According to the system and the method for the remote inquiry and call of the idle taxi, a person can inquire, select, and call a satisfactory taxi specifically and visually in a long distance and can achieve remote information interaction of a driver of the taxi, the driver can drive to the position of the person purposefully, and the problem that a person waits for a taxi aimlessly and the driver looks for the person who takes a taxi aimlessly is solved, great convenience is brought to the person and the driver, taxi taking efficiency of the person is improved, and fuel is saved for the driver. Picture one is an attached map of the system and the method for the remote inquiry and call of the idle taxi.