The invention discloses a vehicle safety driving pre-warning system. The system comprises a global positioning system, an electronic map system, a radio transceiver system, a mobile internet message switching system, a road condition monitoring system, a synthetic data processing system, a sound and light prompting device, a solar power supply assembly, a battery power supply assembly, an external voltage-stabilized source assembly, a USB interface, a display screen, a circuit board and a casing. With the adoption of the structural connection, positions between vehicles, speeds, road conditions and messages can be shared, a driver is effectively reminded to keep safety driving distance and master the road conditions in time, and timely and effective safety pre-warning prompt with the stage distance is provided for the driver, so that the driver can take preventive measures and mental preparation in advance; the system is convenient to mount, carry and use, small and exquisite in size, attractive and low in manufacturing cost and is applicable to popularization and application.