Abstract: A foldable wheelchair ramp with high stability comprises a wheelchair board which is composed of a left access board and a right access board, the left and right access boards being hinged by a plurality of hinge devices; the left access board is composed of a plurality of left folding boards; the right access board is composed of a plurality of right folding boards; the left folding boards are hinged by the folding devices, and the right folding boards are hinged by the folding devices; the folding devices are connected with the matching supporting devices; the left folding board and the right folding board are both provided with an attachment board at the frontmost end. The present invention can ensure the strength of the wheelchair ramp when in use, and the stability of the wheelchair when passing through the wheelchair ramp.