Fabricated building energy-saving heat-preservation heat-insulation wall

The utility model discloses an assembly type building energy-saving thermal insulation wall which comprises a first fixing base and a second fixing base, connecting plates are symmetrically arranged at one end of the first fixing base, an auxiliary plate is installed between the two connecting plates, the second fixing base is arranged at one ends of the connecting plates, a first sliding groove is formed in one side of the first fixing base, and a second sliding groove is formed in the other side of the second fixing base. One side of the second fixing base is connected with a sliding block matched with the first sliding groove, and limiting plates are symmetrically arranged at one end of the second fixing base. According to the device, a first sliding groove is matched with a sliding block, a limiting plate slides through a limiting groove, a wall body in the horizontal direction is convenient to assemble, meanwhile, a clamping plate is installed through a clamping groove and drives the assembled wall body