A tool management device for managing tools detachable from a plurality of tool stations provided in a turret of a machine tool includes a display controller controlling a display to display tool information related to one or more tools attached to each of the plurality of tool stations. The display controller switches, on a single screen, between a deployed state of deploying and displaying tool information related to all tools attached to one of the plurality of tool stations, and a folded state of folding and displaying tool information related to only one predetermined tool among the all tools attached to the one of the plurality of tool stations.

There are provided a tool management device and a machine tool provided therewith, capable of simply and selectively checking all tools attached to respective tool stations to prevent a necessary tool from being forgotten to be attached and an unnecessary tool from being left attached. A tool management device 1 for managing tools detachable from a plurality of tool stations provided in a tool rest 12 of a machine tool 11 includes control means 5 for causing tool information related to one or more tools attached to each of the tool stations to be displayed in display means 3, wherein every time when a display area 62 for designating an appropriate tool station is selected, the control means 5 switches between a deployed state of deploying and displaying tool information related to all tools attached to the tool station selected, and a folded state of folding and displaying only tool information related to a predetermined tool, to cause the selected state to be displayed in an identical screen.