This paper proposes a GPS and GPRS-based multifunctional vehicle terminal design scheme, which uses an embedded platform based on S3C2440 (bit 23 microprocessor of ARM920T core) and operating system, expands GPS navigation module and GPRS module, video surveillance The module integrates the CAN bus interface to realize vehicle navigation, wireless Internet access, CAN bus communication, and video monitoring functions, and fully meets people's requirements for car safety, convenience and comfort. The GPRS navigation module selects the JP13 receiver, and completes the related hardware circuit design. The navigation system adopts navigation software design based on the eSuperMap platform, which can realize electronic map display and operation, satellite positioning information display, path analysis, navigation and other functions.