The invention provides an aluminum alloy door-window, which comprises a window body and a movable door. The movable door is mounted in the window body in a sliding fit mode. According to the aluminumalloy door-window, the problems that in the process that a householder pulls the window back and forth, a sliding groove in the lower end of the window body is prone to deforming, a concave-convex structure is formed, and consequently, the pulling effect is affected; meanwhile, the space of the sliding groove in the lower end of the aluminum alloy window body is narrow, dust and corpses of insectsare prone to being accumulated and difficult to clear; and meanwhile, rainwater is prone to being accumulated inside the groove in the lower end of an existing aluminum alloy door-window are solved,and the aluminum alloy door-window has the advantages that the householder always easily pulls the window back and forth in the using process, meanwhile, the insect corpses, the dust and the like in the sliding groove in the lower end of the window are easy to clear, and the rainwater in the groove in the lower end of the door window can be emptied in time.