Foldable climbing ladder

The utility model belongs to the technical field of climbing ladders, and particularly relates to a foldable climbing ladder which mainly comprises a support, handrails, pedals, a limiting mechanism,a drawing piece and the like, the support comprises a foldable support and a fixed support, the foldable support further comprises an upper support and a lower support, and the handrails are arrangedon the foldable support. Handrails and pedals on the upper support and the lower support are fixed through index pins, the upper support of the folding ladder is fixed to the front wall of the cabin body and connected with the lower support through a pin shaft, overturning and folding of the lower support are achieved, the lower support is limited through stop pins after being folded to the properposition of the upper support, and the locking performance of the folding ladder is guaranteed. After the climbing ladder is folded, the footboard and the handrail occupy a small space, and the uppersupport and the lower suppo