Aluminum-plastic co-extrusion window for low-energy-consumption building

The invention relates to the field of door and window profiles, in particular to a low-energy-consumption building aluminum-plastic co-extrusion window which comprises a window frame, a first viewing opening is formed in the middle of the window frame, movable grooves are formed in the top ends of the two sides of the window frame, and second viewing openings are formed in the positions, located below the two movable grooves, of the bottom end of the window frame. By arranging the winding mechanism and the window frame, a containing space can be provided for the screen window, the screen window can be conveniently placed, after a user pulls the screen window downwards, the screen window can move to the bottom wall of a baffle along a sliding groove, at the moment, the screen window can be fixed to the baffle through cooperation of a clamping block and a clamping groove, mosquitoes and the like can be blocked, and the practicability is high. When a user closes the movable frame, the clamping blocks are taken o