This creation system provides a kind of aquarium with sliding door, and it includes cabinet and sliding doors. Cabinet has opposite first side and second side, has the first fastener on the bottom surface of cabinet. Sliding door includes the first door-plate and the second door-plate adjacent to each other, if in what cabinet, the first side of the side connecting box body of first door-plate, has the second fastener on the bottom surface of the second door-plate, and the second fastener cunning is set on the first fastener of what, so that the second door-plate moves between first side and second side, under what first state, the first door-plate is superimposed with each other with the second door-plate, under the second state of what, second door-plate contacts the second side of cabinet, to separate cabinet into two regions.本創作係提供一種具有拉門之水族箱，其包含箱體以及拉門。箱體具有相對的第一側面以及第二側面，箱體之底面上具有第一卡合件。拉門包含彼此相鄰的第一門板以及第二門板，設於箱體內，第一門板之一側連接箱體之第一側面，第二門板之底面上具有第二卡合件，第二卡合件滑設於第一卡合件上，以使第二門板在第一側面以及第二側面之間移動，於第一狀態下，第一門板與第二門板相互疊合，於第二狀態下，第二門板接觸箱體之第二側面，以分隔箱體成二區域。
