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According to the theory of vehicle braking stability control and the related dynamic vehicle model, the theoretical analysis of vehicle braking condition on bisectional roads with large difference between road adhesion coefficients of two sides of the road was made. From the analysis result, by means of active steering technique to control vehicle stability when braking in emergency and restoring vehicle to correct lane quickly after braking deflection driven by the way of steering control, the ideas were put forward. Based on the theoretical analysis and combined with fuzzy control strategy and method, fuzzy controller has been devised to carry out simulation experiment. The result showed that vehicle braking stability fuzzy control strategy suggested could reduce vehicle yaw angular velocity and lateral acceleration when braking, restore vehicle to correct lane quickly after braking deflection drive, and the research is of significance to improve vehicle driving safety.