External hanging frame for apartment building corridor construction and using method thereof

The invention provides an external hanging frame for apartment building corridor construction. The external hanging frame comprises a corridor floor and a vertical floor; the vertical floor is connected with a cantilever beam through bolts; a first longitudinal beam and a second longitudinal beam are arranged on the lower side of the cantilever beam; an inclined support is arranged between the lower side of the second longitudinal beam and the cantilever beam; external hanging frame bodies extending upwards are arranged on the two sides of the cantilever beam in the length direction; each external hanging frame body comprises a first cross beam, third longitudinal beams, a second cross beam, a third cross beam, a first connecting beam, a fourth longitudinal beam, a second connecting beam and a connecting rod; a pull rod is arranged between the two third longitudinal beams on the outer side; a second inclined support is arranged on the pull rod; a mesh is arranged on the outer side of each external hanging fra