The present invention relates to a laundry treating machine comprising a laundry treating device; a pedestal laundry treating device (400) having a volume and a height respectively smaller than a volume and a height of the laundry treating device, and having a laundry treating function; and a water supplier for simultaneously or selectively supplying water from a single external water supply source to the laundry treating device and the pedestal laundry treating device, and wherein the water supplier comprises a water supply pipe (330) connected to the external water supply source (350), a first branched water supply pipe (310) supplying water to the laundry treating device and a second branched water supply pipe (320) supplying water to the pedestal laundry treating device, and at least a portion of the second branched water supply pipe is extendable.