Power tool

The invention relates to a power tool (10)， in particular a hand-held power tool， with a support section (1) for placing the power tool (10) on a base (2)， in particular on a workpiece and / or a guide element. The power tool (10) has a support detection device (3) and is designed， by means of the support detection device (3)， to have a first support condition in which the power tool (10) has at least a first region (5) of the support surface (1) on the Support (2) and / or a second support condition in which the power tool (10) with at least the first area (5) does not support the support (2)， to detect and to determine an operating state of the power tool (10) on the basis of the detected condition.