According to the automotive market, blind spot of A-Pillar is one of the research directions. In this paper we recommend the evaluation method of the vehicle blind spot of A-Pillar, investigate the impact of the driver's environment to the blind spot of A-Pillar. First we filter and screen what will be possible for the vehicle blind spots of A-Pillar caused by compact car accident, and analyze the important parameters to establish questionnaire survey. Then through the survey analysis, we can see the impact assessment of the blind spot of A-Pillar from real-world environments.