Power tool

The invention relates to a power tool which comprises a shell, a motor, a main shaft, a transmission component and a storage clip, and further comprises a limiting mechanism arranged between the shell and the main shaft, wherein the motor is arranged in the shell and outputs rotary power; the main shaft is connected with one of a plurality of working heads in matching manner and is used for driving the working head to rotate; the transmission component is arranged between the motor and the main shaft and can transmit the rotary power output by the motor to the main shaft; the storage clip is arranged in the shell and comprises accommodating chambers used for accommodating a plurality of working heads arranged side by side; the main shaft can move between a working position where the main shaft passes through the accommodating chambers to be connected with one of the working heads in a matching manner and a release position where the main shaft is separated from one of the working heads in the axial direction;