The invention discloses an electrical engineering positioning and mounting device, and mainly relates to the field of electrical engineering. The device comprises a walking module and a stroke module,wherein the walking module is used for linear walking, the stroke module is installed on the walking module and comprises a Y-shaped track frame and a connecting rod mechanism, the connecting rod mechanism comprises two adjusting frames which are symmetrically arranged, the track frame can restrain the connecting rod mechanism to enable the adjusting frames to be folded or separated relatively, and the adjusting frames are used for fixing a marking tool used for leaving tracks on the ground. The invention has the beneficial effects that an electric construction track is positioned on a bottomplate in a labor-saving and efficient mode, the quality of the drawn track is remarkably improved, and large-scale electric construction positioning operation in stairs is facilitated.