Stretching type multifunctional field warning fence

The invention provides a stretching type multifunctional field warning fence, and belongs to the technical field of construction operation field safety. Comprising a first fixing rod and a second fixing rod, and the first fixing rod and the second fixing rod are connected through a warning tape. The first fixing rod and the second fixing rod are the same in structure. The first vertical rod comprises a first base, a first vertical rod body and a first spring mechanism. A first vertical rod is arranged on the first base, the first vertical rod is detachably connected with the first base, a first spring mechanism is arranged in the first vertical rod, and the spring mechanism is connected with the first end of the warning tape; a hook is arranged at the second end of the warning tape; a warning tape access hole is formed in the outer side of the first vertical rod, and a buckle used for hanging a warning tape is further arranged on the outer side of the first vertical rod. The first vertical rod is of a hollow