To easily and appropriately adjust the interval between a sliding door main body and a floor face.

This hanging sliding door is designed so that on an upper rail 3 horizontally secured to the upper side of a frontage, etc., a sliding door main body 1 is hung and held, in such a way as to freely travel, via a runner 2 having the function of adjusting its height, and so that a plurality of magnet guide pins, which are buried in a floor face at intervals on a straight line parallel to the upper rail 3 and which are freely moved in and out by magnetic forces, are inserted, while being projected, into a running guide groove 11 formed in the lower end face of the sliding door main body 1 to guide the slide and travel of the door. In this case, spacers 5, each of which is thick enough to establish a range of dimensions for the appropriate interval between the lower end face of the sliding door main body 1 and the floor face, are freely removably attached to the right and left ends of the lower end face of the sliding door main body 1.