A digital video disc player includes a housing, a shaft rotatably arranged in the housing, a rotary support accommodated in the housing and fixed to the shaft, a plurality of trays arranged on the rotary support, each of the trays supporting a digital video disc and a driving bar movably connected to the housing, the driving bar driving the shaft to revolve, thereby causing the trays to rotate together with the rotary support. User needs only to push the driving bar to switch the positions of the discs instead of opening the tray to replace new disc.