The utility model discloses a special ESC system of light truck, turn to angle sensor ware and first, the fast sensor of two, three, four hall formulas wheel including ESC control executor, reluctancetype, ESC control executor includes ECU, pressure regulator and integrated form driftage rate sensor, and the signal output part of integrated form driftage rate sensor is connected with ECU's signalinput part electricity, and ECU's signal output part is connected with pressure regulator's signal input part electricity, the reluctance type turns to the shell of angle sensor ware and fixes insideclock spring, and the inside ring gear that the reluctance type turned to the angle sensor ware is fixed in in the steering wheel axis of rotation, the reluctance type turns to the angle sensor wareand signal output part first, the fast sensor of two, three, four hall formulas wheel is connected with ECU's signal input part electricity respectively. The utility model discloses the advantage liesin need not the circuit design and the development of driftage rate sensor rat tail, practices thrift whole checheng originally, and integrated driftage rate sensor (IYRS) signal is stable.