The invention discloses an outdoor universal fence tool, and relates to the technical field of safety measures of professional arrangement of transformer substation operation and maintenance. The outdoor universal fence tool comprises a clamping type base, hinges, fence rods and fasteners; the clamping type base comprises a base body, a jack catch and a locking strip; the jack catch is distributed triangularly and is rotatably connected to the base body; the locking strip sleeves the jack catch; one end of the locking strip is fixedly connected to the inner wall of a base body; a rectangular hole is formed in a side wall of the base body; the base body is connected with the fence rods by the hinges respectively; the fence rods are retractable rods; the fasteners are fixedly connected to the fence rods; the base body can be fixed on supports with different thicknesses through the locking strip; hinged connection between the base and the fence rods can be adjusted in a range of 0 degree to 360 degrees; the retractable fence rods can stretch and retract so that the lengths of the retractable fence rods can be adjusted; fence ropes specially used for the fasteners can be fence ropes in various models at present, and can also be adjusted in a range of 0 degree to 360 degrees; and fence arrangement efficiency is improved effectively.