The elevator door slider is fixed at the lower end of the elevator hall door and the car door, which is used for the sliding time limit of the door panel. When the door panel is impacted, the door slider is used as a holding device. If the design and installation of the elevator door slider is not good, it is easy to produce vibration and noise during operation, affecting the guiding performance。And then ,there will be horizontal shaking, affecting the comfort of the ride.