The invention provides an intelligent automatic switching sliding window. The structure of the intelligent automatic switching sliding window is composed of a window frame, window sashes and a screenwindow, wherein, the edge of a fixed window sash positioned at the outside of the window frame is fixed with the window frame through pins; the edge of the screen window positioned at one indoor sideis fixed with the window frame through pins; the window sash between the fixed window sash and the screen window is a movable window sash; a rack is arranged on a glazing bead on the inner side of themovable window sash; the two ends of the rack are provided with a limit switch; a window sash switching controller and a gear motor are arranged at the lower corner of the screen window in the middleof the window frame; and the axle part of the gear motor is provided with a gear which passes through the screen window and is meshed with the rack on the glazing bead fixed at the inner side of themovable window sash. Compared with the prior art, the intelligent automatic switching sliding window has the characteristics of reasonable design, simple structure, small volume, safety, reliability,convenient installation and usage, easy maintenance and the like, thus having good promotion and use values.