A buckle belt assembly includes a main body and a buckle belt. The buckle belt includes a first body and a second body sleeved on the first body. The second body includes a supporting portion, a second movable portion, and a band extending from a bottom of the supporting portion. One end of the second movable portion is connected to the supporting portion, and the other end of the second movable portion is movable relative to the supporting portion. The second movable portion includes a pair of side walls and a pair of fixing walls. The band is configured to hang hanging objects, the band is configured with a fixing hole, and the side walls are pressed to abut the fixing wall to the fixing hole or to detach the fixing wall from the fixing hole, thereby opening or closing the band.