A battery pack manufacturing apparatus for manufacturing a battery pack having a pack housing and a battery module, the battery pack manufacturing apparatus comprising: a lifting mechanism having a frame configured to mount the pack housing and a moving unit configured to move the frame so that the battery module is inserted into an inner space of the pack housing; a module support configured to support the battery module, an attaching and detaching mechanism configured to allow the battery module to be attached and detached, and a feeding mechanism configured to allow the attaching and detaching mechanism to move in a state of fixing the battery module, wherein the frame has a perforated portion formed by opening a portion thereof so that the module support passes therethrough, wherein the attaching and detaching mechanism includes: a gripping unit having a fixing member configured to be coupled to and separated from the battery module; and a manipulating unit configured to control a location of the gripping unit so that the fixing member is manipulated to be coupled to or separated from the battery module, wherein the feeding mechanism includes: a feeding tray on which the attaching and detaching mechanism is loaded, the feeding tray having an opening through which the pack housing passes; and a conveyor configured to supply the feeding tray so that the battery module is located on the module support or to discharge the feeding tray to the outside. a lifting mechanism having a frame configured to mount the pack housing and a moving unit configured to move the frame so that the battery module is inserted into an inner space of the pack housing; a module support configured to support the battery module, an attaching and detaching mechanism configured to allow the battery module to be attached and detached, and a feeding mechanism configured to allow the attaching and detaching mechanism to move in a state of fixing the battery module, wherein the frame has a perforated portion formed by opening a portion thereof so that the module support passes therethrough, wherein the attaching and detaching mechanism includes: a gripping unit having a fixing member configured to be coupled to and separated from the battery module; and a manipulating unit configured to control a location of the gripping unit so that the fixing member is manipulated to be coupled to or separated from the battery module, a gripping unit having a fixing member configured to be coupled to and separated from the battery module; and a manipulating unit configured to control a location of the gripping unit so that the fixing member is manipulated to be coupled to or separated from the battery module, wherein the feeding mechanism includes: a feeding tray on which the attaching and detaching mechanism is loaded, the feeding tray having an opening through which the pack housing passes; and a conveyor configured to supply the feeding tray so that the battery module is located on the module support or to discharge the feeding tray to the outside. a feeding tray on which the attaching and detaching mechanism is loaded, the feeding tray having an opening through which the pack housing passes; and a conveyor configured to supply the feeding tray so that the battery module is located on the module support or to discharge the feeding tray to the outside.