Assembly type outer wall convenient to install

The assembly type outer wall convenient to install comprises an outer wall body, through holes are fixedly formed in the upper end and the lower end of the outer wall body, a fixing buckle is fixedly connected to the right side of the outer wall body, and a containing opening and a pouring opening A are fixedly formed in the lower end of the surface of the front side of the outer wall body. A pouring opening B and a nesting opening are fixedly formed in the left end of the surface of the front side of the outer wall, a nesting groove is formed in the inner wall of the left side of the outer wall, the nesting groove is connected with the fixing buckle in a clamped mode, and the pouring opening B and the nesting opening penetrate through the surface of the outer wall from outside to inside to the nesting groove. The top of the inner side of the through hole in the bottom end of the outer wall is fixedly connected with a fixing block, the lower end of the fixing block is movably connected with a spiral spring, t