The invention discloses a field electric paint spraying device for a column-shaped steel structure. The field electric paint spraying device for the column-shaped steel structure adopts the followingtechnical scheme that the field electric paint spraying device for the column-shaped steel structure comprises an electrostatic sprayer, a spraying and running system and an electric control system; the electrostatic sprayer is connected with the spraying and running system through a paint pipeline and a gas line; the spraying and running system comprises a metal shell, a spraying device and a running device; the spraying device comprises an annular paint pipeline and an annular surrounding gas line; the paint pipeline and the surrounding gas line are concentrically mounted and correspondinglyconnected with the paint pipeline and the gas line; the paint pipeline and the surrounding gas line correspondingly communicate with multiple spraying gun heads used for spraying paints through paintspraying pipes and air spraying pipes; the running device comprises a hub and motor integrated machine and a shock absorbing spring; a tire of the hub and motor integrated machine mounted in place isin close contact with a steel pipe or profile steel; and the electric control system comprises a controller, a control handle and a power supply.