Abstract: A built-up partition wall framework system for building up partition wall frameworks in a building, including a plurality of main wall panels, a plurality of main wall panel coupling hook plates for connecting the main wall panels in parallel, a plurality of top channel rails for fastening to joined main wall panels at a top side, a plurality of bottom channel rails for fastening joined main wall panels at a bottom side, a plurality of channel-like latch pins for securing the top channel rails to the main wall panels, a plurality of wedge blocks for mounting between the bottom channel rails and the floor, a plurality of first side covers and second side covers for fastening to lateral sides of constructed partition wall frameworks, a plurality of mounting supports for securing constructed partition wall frameworks to vertical walls of the building, a plurality of T-wall external coupling hook plates, wall end coupling hook plates, internal angle coupling hook plate external angle coupling hook plates and wall