Detachable building thermal insulation wall

The utility model discloses a detachable building thermal insulation wall which comprises a first pressing plate and a second pressing plate which are folded, a first inserting ring is installed on one side of the first pressing plate, a second inserting ring is installed on the side, opposite to the first pressing plate, of the second pressing plate, the second inserting ring is sleeved with thefirst inserting ring, and a first thermal insulation plate and a second thermal insulation plate are installed in the first inserting ring. First mounting holes are annularly and evenly distributed inthe second inserting ring, a pressing and fixing plate is arranged at the joint of the first pressing plate and the second pressing plate, second mounting holes are formed in the pressing and fixingplate, and second screws are inserted into the second mounting holes. By disassembling the first screw, the first pressing plate and the second pressing plate are pulled open, the damaged first heat preservation plate and secon