Wall heat preservation device

The utility model discloses a wall heat preservation device, and belongs to the technical field of wall heat preservation. A wall heat preservation device comprises a heat preservation plate, a splicing strip embedded in a clamping groove and clamped and matched with the adjacent heat preservation plate, a mounting plate arranged on one side of the heat preservation plate, a plurality of positioning blocks fixedly connected to the mounting plate, and a plurality of connecting bases fixedly connected to the heat preservation plate and clamped and matched with the positioning blocks. After the connecting seats are connected with the positioning blocks in an inserted mode, the heat preservation plates are moved downwards and then translated by a certain distance, two adjacent heat preservation plates are connected in a sealed mode through the splicing strips, installation convenience is improved, meanwhile, the waterproof performance of the heat preservation plates in the transverse direction and the vertical di