The utility model discloses a curtain capable of being freely adjusted, which comprises two vertical plates, connecting plates are vertically and slidably connected onto the two vertical plates, a driving component for driving the connecting plates to move up and down is mounted on the vertical plate on at least one side, and L-shaped limiting plates are fixedly connected onto the front side walls of the two connecting plates. A mounting rod is clamped between the two L-shaped limiting plates jointly, a curtain body is arranged on the mounting rod in a matched mode, a supporting rod is fixedly connected between the two vertical plates jointly, a check curtain is detachably connected to the supporting rod, guide sliding grooves are formed in the front side walls of the vertical plates, and the connecting plates are slidably connected into the guide sliding grooves. The thickness of the connecting plate is not smaller than the depth of the guide sliding groove. The curtain is reasonable in structural design, the curtain body and the check curtain can be conveniently mounted and dismounted, the height of the curtain body can be adjusted, the lower portion of the curtain body can be conveniently cleaned, and different use requirements are met.