A hot-humid climate suitability assembly type bamboo wood-porous material combination exterior wall comprises an inner module and an outer module; the inner module and the outer module are connected via section steel vertical bars; the inner module comprises a bamboo wood inner panel, an interlayer, and a bamboo wood spacing board; the interlayer is arranged between the bamboo wood inner panel andthe bamboo wood spacing board; an inner support is arranged in the interlayer; the bamboo wood inner panel and the bamboo wood spacing board are connected via the inner support; the outer module comprises a porous material layer; a waterproof inner layer is arranged between the porous material layer and the section steel vertical bar, and attached to the inner side of the porous material layer. The hot-humid climate suitability assembly type bamboo wood-porous material combination exterior wall can improve the wall body hot humid performance, is good in surface layer apparent quality, can prevent external wet environment interferences, can improve the member heat stability, and belongs to the wall body technical field.