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According to the demand of training without monitor in the army and society, for the application of driving license test level B, a new intelligent and convenient vehicular driving test training device is raised based on proximity sensor, the minimum system of CPU single chip and voice alarm. It is showed about the hardware circuit design and software achievement, and given the solutions of key technologies, such as getting violations signal and encoding, violations position automatic recognition and voice alarm. Data 20 H is input to the control unit, there are six pulses of output, the result is vehicle right violations. That is shown the test result is as same as encode design, and device is reasonable designed and provide a strong guarantee for forces execution of multiple tasks.