Heat insulation wall system

The utility model discloses a heat insulation wall system which comprises a wall body, a heat insulation wall is movably arranged outside the wall body, a first movable block is movably arranged at the upper end of the heat insulation wall, a second movable block and a third movable block are movably installed inside the heat insulation wall, and first groove bodies are fixedly formed in the leftend and the right end of the heat insulation wall. A threaded column is fixedly installed at the lower end of the third movable block, the lower end of the threaded column penetrates through the heatinsulation wall and extends into the first groove body, and a second groove body is fixedly formed in the left end of the heat insulation wall. According to the thermal insulation wall system, the effect that the lower end of the first movable block and the upper end of the third movable block are attached to each other is achieved through the arrangement that the first groove body and the secondgroove body are communicate