A laundry treating apparatus comprising: a cabinet having a first housing and a second housing respectively providing accommodating spaces therein; an outlet extending through a top surface of the cabinet configured to be in communication with the second housing; a first support disposed to be pivotable from one surface of the cabinet toward the top surface of the cabinet configured to provide a space for supporting laundry; treating means configured to be withdrawable from the first housing and to supply steam to the laundry; a body configured to be withdrawable from the second housing via the outlet; a second support disposed in the body and located above the first support, wherein the second support is configured to provide a space for supporting the laundry and has an area smaller than an area of the support; and a steam generator including a storage configured to provide a space for storing water therein, and a heater configured to heat water inside the storage, wherein the steam generator is disposed in the first housing; a flow path fastening portion disposed in the body; a connecting tube configured to connect the flow path fastening portion and the storage to each other; and a connector having one end connected to the treating means and the other end detachably fixed to the flow path fastening portion configured to supply steam to the treating means, wherein the second support includes: a first board rotatably fixed to the body configured to be pivotable from the body toward a top surface of the first support via a first shaft parallel to an upper surface of the first support; and a second board pivotably fixed to the first board configured to be pivotable in a plane parallel to the top surface of the first support via a second shaft perpendicular to the upper surface of the first support, and to provide the space for supporting the laundry. a cabinet having a first housing and a second housing respectively providing accommodating spaces therein; an outlet extending through a top surface of the cabinet configured to be in communication with the second housing; a first support disposed to be pivotable from one surface of the cabinet toward the top surface of the cabinet configured to provide a space for supporting laundry; treating means configured to be withdrawable from the first housing and to supply steam to the laundry; a body configured to be withdrawable from the second housing via the outlet; a second support disposed in the body and located above the first support, wherein the second support is configured to provide a space for supporting the laundry and has an area smaller than an area of the support; and a steam generator including a storage configured to provide a space for storing water therein, and a heater configured to heat water inside the storage, wherein the steam generator is disposed in the first housing; a flow path fastening portion disposed in the body; a connecting tube configured to connect the flow path fastening portion and the storage to each other; and a connector having one end connected to the treating means and the other end detachably fixed to the flow path fastening portion configured to supply steam to the treating means, wherein the second support includes: a first board rotatably fixed to the body configured to be pivotable from the body toward a top surface of the first support via a first shaft parallel to an upper surface of the first support; and a second board pivotably fixed to the first board configured to be pivotable in a plane parallel to the top surface of the first support via a second shaft perpendicular to the upper surface of the first support, and to provide the space for supporting the laundry. a first board rotatably fixed to the body configured to be pivotable from the body toward a top surface of the first support via a first shaft parallel to an upper surface of the first support; and a second board pivotably fixed to the first board configured to be pivotable in a plane parallel to the top surface of the first support via a second shaft perpendicular to the upper surface of the first support, and to provide the space for supporting the laundry.