A global and local automotive crosswind stability control auxiliary system is characterized by comprising an array silicon pressure all-weather wind force sensor group, an observatory weather receiving device, a road and bridge crosswind release device, a road and bridge crosswind receiving device, a GPS (global positioning system) positioning and speed calculation device, a speed and wind force calculation compensation device and a central control device. The central control device is used for distinguishing raindrop signals and wind force signals by pressure signal values according to pressure data detected by each silicon pressure all-weather wind force sensor and checking a corresponding wind force from the speed and wind force calculation compensation device. If wind forces of the left front side and the right front side and wind forces of the left rear side and the right rear side are unbalanced, namely wind forces of left and right sides of an automobile are unbalanced, but wind forces of the same side are identical, a braking force is applied to wheels on the strong-wind side to keep the automobile in a correct route through rotation speed difference of the left and right wheels.