This paper introduces the comparison of the change of degree of concern on auto safety of the overall market during 2013 to 2015. The results show that auto safety is an important indicator during the purchase of private car. Based on the interpretation of the concept of safety，the results of clustering and logistic regression analysis，and the influence of region，income level，age and model angle etc on safety of automobiles，the relevant results were analyzed. Through combining factor analysis and cluster analysis for consumer’s views on value and automobiles to observe their impacts on auto safety，we can get some suggestions and conclusions of different consumers on the judgment of safety.