The utility model relates to a vehicle-road communication system with a safety early-warning function, comprising vehicle-mounted equipment and road side equipment, wherein main control units of the vehicle-mounted equipment and the road side equipment respectively comprise a microprocessor, an external signal smoother, a fast signal amplifier, a radio frequency integration transceiver, a high frequency power amplifier, a low noise amplifier, a sending antenna and a receiving antenna; the microprocessor of the road side equipment is connected with an Ethernet interface chip, and connected with ground sensor coils of a left lane and a right lane by a differential signal comparator; the microprocessor of the vehicle-mounted equipment is connected with a liquid crystal display and a buzzer, and connected with a double flashing caution light switch signal line of an automobile by a non-gate logic circuit, and an analog-to-digital conversion channel of the microprocessor of the vehicle-mounted equipment is connected with a speed signal line of the automobile. The system acquires the vehicle driving states of the left lane and the right lane at sharp turn road sections in real time, realizes safety driving early warning, and improving the vehicle driving safety.