A suspension closet includes a closet body that is made of a flexible sheet of fabric and has a top end opening. Two opposite side walls of the top opening of the closet body are respectively provided with fastening elements and form opposing cutouts. To assemble the closet, the opposing cutouts of the closet body are fit with a suspension bar first and a frame is disposed in the closet body to be coupled to the fastening elements. A top cover is then set to cover the top end opening of the closet body. In this way, the closet body can be efficiently and effectively suspended on the suspension bar.