The invention provides a wall body decoration installing structure of flake-shaped decoration, comprising a structural framework, wherein a framework main body thereof is fixedly arranged at the surface of the wall body by at least one wall body fixing piece and is thereon provided with at least one decoration holding clamping structure, preferably, a first supporting convex plate and a second supporting convex plate of the decoration holding clamping structure are fixed on the framework main body and are arranged in parallel, a limiting part thereof is located between the first supporting convex plate and the second supporting convex plate and is in joint connection with the framework main body in a detachable way, two ends of the limiting part respectively have a kink part correspondingto the first supporting convex plate and the second supporting convex plate, free ends of the first supporting convex plate and the second supporting convex plate respectively extend into the corresponding kink part, and the framework main body is further provided with at least one flexible buffer unit. The invention has novel design, flake-shaped decoration installed by adopting the structure such as decorative glass and the like can be directly installed without future treatment, which is easy in installation and durable in use, and the vamp is simple without aberration, thus enhancing the quality of life for people.