Fabricated thermal insulation wall structure for building decoration

The utility model discloses an assembly type thermal insulation wall structure for building decoration, belongs to the technical field of thermal insulation walls, and aims to solve the problems that an assembly type thermal insulation wall plate is difficult to position during installation and needs too much manpower during installation, the assembly type thermal insulation wall structure comprises thermal insulation plates, the thermal insulation plates are connected to the inner sides of installation grooves in a sliding mode, and the installation grooves are formed in the left side and the right side of the front wall of each installation plate respectively. The upper and lower ends of the side wall, away from the middle of the mounting plate, of the mounting groove penetrate through and are slidably connected with connecting rods. When the heat preservation wallboard is assembled, the heat preservation board is pressed backwards after being aligned with the mounting groove, the heat preservation board ex