The invention relates to a portable column switch installing and uninstalling device, and belongs to the technical field of column switch installing and uninstalling. The portable column switch installing and uninstalling device comprises an electric pole, wherein a supporting rod is fixedly installed at the upper end of the electric pole by a hoop; a crown block I, a lifting hook and a crown block II are arranged at the front end, in the middle and at the rear end of the supporting rod respectively; a rope I is hung and connected to the lifting hook, winds around a movable pulley, the upper part of the crown block I and the upper part of the crown block II sequentially, extends downwards and is connected with a winding device I; and a hook is fixedly installed on the movable pulley. The winding device I provides winding power for winding of the rope I, the lower movable pulley and the hook are hoisted by drive of the crown block I and the crown block II, and thus, hoisting installation of a column switch is achieved. The device has simple structure, high operation efficiency, high applicability, high safety, low cost, is convenient to mount and use, and saves labor.