Throttling device for water purifier

The utility model belongs to the technical field of throttling devices, and particularly relates to a throttling device for a water purifier, which comprises a movable seat arranged at the top in a throttling pipeline, a sliding block capable of moving in the left-right direction is arranged in an inner cavity of the movable seat, and a visual window is arranged at the top of the movable seat along the moving direction of the sliding block. A position marking line for indicating the position of the sliding block is marked on the inner side wall of the visual window, the sliding block comprises an indicating block with the top used for pointing to the position marking line, and a movable throttling block is installed at the bottom of the sliding block. According to the utility model, when the position of the movable throttling block is adjusted, the indicating block moves along with the movable throttling block, the current position of the indicating block can be checked through the visual window and the posit