A wiper system for a vehicle, comprising: first and second wiper arms (15, 17); a motor including an output shaft, which is reciprocally pivoted and outputs driving force when the motor is powered; a crank fixed on the output shaft; first and second link rods (6, 7) which are pivotably connected to two ends of the crank; and further comprising: a first pivot shaft assembly connected between the first link rod and the first wiper arm for reciprocally pivoting the first wiper arm; a second pivot shaft assembly connected between the second link rod and the second wiper arm for reciprocally pivoting the second wiper arm; and a wiper arm assembly mounted on the second pivot shaft assembly so as to be driven by the second pivot shaft assembly, wherein the first pivot shaft assembly includes: a first pivot shaft on which the first wiper arm is fixed; and a first pivot shaft lever which is fixed on the first pivot shaft so as to be rotated together with the first pivot shaft and pivotably connected to the first link rod, the wiper system is characterized by the second pivot shaft assembly includes: second and third pivot shafts (2, 3); and a second pivot shaft lever which is fixed on the second pivot shaft so as to be rotated together with the second pivot shaft and pivotably connected to the second link rod, and wherein the wiper arm assembly includes: first and third links (16, 18) which are respectively fixed on the second pivot shaft and the third pivot shaft, so as to be rotated with the second and third pivot shafts (2, 3), respectively; and the second wiper arm in which the first link is pivotably connected with a first end of the second wiper arm and the third link is pivotably connected with the second wiper arm at a position between the first end and a second end of the second wiper arm. first and second wiper arms (15, 17); a motor including an output shaft, which is reciprocally pivoted and outputs driving force when the motor is powered; a crank fixed on the output shaft; first and second link rods (6, 7) which are pivotably connected to two ends of the crank; and further comprising: a first pivot shaft assembly connected between the first link rod and the first wiper arm for reciprocally pivoting the first wiper arm; a second pivot shaft assembly connected between the second link rod and the second wiper arm for reciprocally pivoting the second wiper arm; and a wiper arm assembly mounted on the second pivot shaft assembly so as to be driven by the second pivot shaft assembly, wherein the first pivot shaft assembly includes: a first pivot shaft assembly connected between the first link rod and the first wiper arm for reciprocally pivoting the first wiper arm; a second pivot shaft assembly connected between the second link rod and the second wiper arm for reciprocally pivoting the second wiper arm; and a wiper arm assembly mounted on the second pivot shaft assembly so as to be driven by the second pivot shaft assembly, wherein the first pivot shaft assembly includes: a first pivot shaft on which the first wiper arm is fixed; and a first pivot shaft lever which is fixed on the first pivot shaft so as to be rotated together with the first pivot shaft and pivotably connected to the first link rod, the wiper system is characterized by the second pivot shaft assembly includes: second and third pivot shafts (2, 3); and a second pivot shaft lever which is fixed on the second pivot shaft so as to be rotated together with the second pivot shaft and pivotably connected to the second link rod, and wherein the wiper arm assembly includes: second and third pivot shafts (2, 3); and a second pivot shaft lever which is fixed on the second pivot shaft so as to be rotated together with the second pivot shaft and pivotably connected to the second link rod, and wherein the wiper arm assembly includes: first and third links (16, 18) which are respectively fixed on the second pivot shaft and the third pivot shaft, so as to be rotated with the second and third pivot shafts (2, 3), respectively; and the second wiper arm in which the first link is pivotably connected with a first end of the second wiper arm and the third link is pivotably connected with the second wiper arm at a position between the first end and a second end of the second wiper arm.