The invention provides a vertical ladder for wall construction, and aims to solve the technical problem that a wall construction tool cannot give consideration to fitting operation vertical surface and lifting efficiency. The vertical ladder comprises a fixing device with adjustable height, a rope ladder, a vertical ladder top end fixing device and a connecting device; the rope ladder comprises arope ladder reserve part and a rope ladder use part, wherein the rope ladder use part is used for forming a vertical ladder body, the side face of the fixing device with the adjustable height is provided with a hanging pull part, the fixing device with adjustable height can drive the hanging pull part to rise and fall relative to the bottom end of the fixing device with the adjustable height, thevertical ladder top end fixing device is used for arranging the top end of the vertical ladder arranged at the side portion of the fixing device with adjustable height at the position above or under the hanging pull part; the connecting device is arranged under the hanging pull part, and is used for being detachably connected with the vertical ladder body and the fixing device with the adjustableheight. The vertical ladder for the wall construction gives consideration to the fitting operation vertical surface and the lifting efficiency, the structure is simple, and the detachment is convenient.