Rail-mounted area safety protection fouling post during urban rail transit construction and using method

The invention relates to the technical field of rail engineering, in particular to a rail-mounted area safety protection fouling post during urban rail transit construction and a using method. According to the rail-mounted area safety protection fouling post, a foot cup base device with a hole comprises a foot cup base and a bolt screw rod, the bolt screw rod is upwards arranged in the middle of the foot cup base, and a plurality of round holes are formed in the bottom of the foot cup base; an outer cover body comprises a cylindrical column body, the cylindrical column body is provided with ahemispherical top and an opening in the lower end of the cylindrical column body, a disc is arranged in the cylindrical column body, a nut is arranged on the disc, the disc is provided with an open hole corresponding to the nut, the nut is used for being matched with the bolt lead screw, and the outer surface of an outer cover body is coated with warning color. Compared with the prior art, the combined structure is simple