A hand-held electrical power tool includes a working device for performing working function of the hand-held electrical power tool, a power device including a motor for driving the working device, a power supplying unit for supplying power to the power device, and an operating device through which a user can operate. The operating device includes an operating handle and a speed regulating device arranged beside the operating handle. The speed regulating device includes a speed regulating switch and a speed regulating operating member connected to the speed regulating switch and driving the speed regulating switch. When the rotating speed of the motor increases from zero to the maximum, the rotating angle of the speed regulating operating member is 0-360 degrees.
