A handheld power working machine includes a main body including a driving part, a working part provided in the main body and configured to drive by the driving part, and a gripper provided to be able to rotate with respect to the main body. The gripper includes a restriction part configured to be able to switch between at least a restriction state where the gripper is restricted from rotating with respect to the main body and a release state where the gripper can rotate by releasing the restriction state, and switching operation parts configured to perform switching operation to switch between the restriction state and the release state in the restriction part. Respective switching operation parts are disposed in at least one side and the other side of the gripper in a rotating direction.