Hand tool

The invention relates to a handheld power tool， in particular a chainsaw or an angle grinder， with at least one housing unit (12)， with at least one drive unit (14)， with at least one sensor unit (16)， which has at least one sensor surface (18， 20) for recording a user-specific parameter， and with at least one control and / or regulating unit (22) for controlling and / or regulating the drive unit (14)， The control and / or regulating unit (22) is set up to take into account signals received from the sensor unit (16) or from an evaluation unit (24) at least when controlling and / or regulating the drive unit (14). It is proposed that the sensor surface (18) of the sensor unit (16) be arranged at least on a main handle (26) of the housing unit (12)， with the help of the sensor surface (18) being a user-specific characteristic and a position designed as a gripping position on the main handle (26) can be detected as an operator-specific parameter trained on the main handle (26)， wherein the gripping position that can be detected by means of the sensor surface (18) and the acting operator force can be taken into account by the control and / or regulating unit (22) at least for a control and / or regulation of the drive unit (14).