The present invention provides a plurality of horizontal bar construction railing reinforcing structure for reinforcing the handrail with a plurality of vertical bars installed between the horizontal bar and the horizontal bar both ends of which as fixed to the wall at a distance installed in front of the veranda, the along the outer surface of the bottom wall located on the veranda porch end so that it can be installed through the fitting after inserting the fastener in the longitudinal direction of the multi-stage bent and the upper surface has a plurality of longitudinal position fixing protrusion is formed protruding wall fixture that is to the front and rear at a distance; Binding site on the lower surface so that it can be fitted in the position fixing protrusion is located on an upper surface front portion of the wall fastener groove is formed, an upper surface to be coupled with the fixing pin which is mounted on the upper surface gojeongteul the upper locking groove is formed, front front that a plurality of horizontal support bars attached groove is formed to be installed at a distance horizontal support bar gojeongteul; Binding site on the lower surface so that it can be fitted in the position fixing protrusion is located in the top surface rear side of the wall fixture groove is formed, the upper surface of which the upper locking groove is formed to be coupled with the fixing pin to the upper surface mounted to the gojeongteul rear gojeongteul; Gojeongteul the front and the rear seat on the upper surface of the upper portion of the upper surface being gojeongteul fixed pin mounting holes formed to accommodate insertion of the fixing pin in a position corresponding with the upper locking groove gojeongteul; A plurality of reinforcing bars to be coupled as bolting mounted at a distance to the front and the rear gojeongteul space formed between gojeongteul; Holding formed long in the vertical direction while being coupled to a coupling piece connected to the rear bottom gojeongteul that the support bar on the bottom side of the veranda; Vertical network that is slidably installed along the bar holding; Lifting unit where the holding bar so as to install the raised or lowered vertical network; And to raise the elevating portion bound or released to secure the position of the vertical sliding complete network comprising the government.