A special lift window for a recreational vehicle (RV), comprising: a door-shaped frame to be installed on an RV wall , wherein a damping groove for embedding a window body is provided on the door-shaped frame; the door-shaped frame is divided into a window display area and a window concealment area from up to down; a lifter bracket for fixing a window body lifter is disposed in the window concealment area; the window body lifter drives the window body to move reciprocally between the window display area and the window concealment area; and a distance between the lifter bracket and the door-shaped frame is not smaller than a maximum thickness of the window body lifter, wherein the distance is to be taken in a direction perpendicular to a plane spanned by the door-shaped frame; characterised in that the door-shaped frame is composed of at least three first sectional bars by splicing, and the damping groove is provided on the first sectional bars wherein a second sectional bar is disposed outside the door-shaped frame and between the window display area and the window concealment area; wherein a decorative frame is disposed inside the door-shaped frame and around an edge of the window display area, the decorative frame is composed of a third sectional bar by surrounding, and an outside of the third sectional bar is a decorative surface; and wherein the lifter bracket comprises a lift rod bracket and a lift motor bracket; the lift rod bracket comprises an upper fixing frame for fixing an upper portion of a lift rod , a lower fixing frame for fixing a bottom of the lift rod , and a first spacing cushion block for setting a distance between the lift rod bracket and the door-shaped frame; and a height of the first spacing cushion block is not smaller a thickness of the lift rod ; and the lift motor bracket comprises a motor fixing frame for fixing a lift motor , and a second spacing cushion block for setting a distance between the motor fixing frame and the door-shaped frame; and a height of the second spacing cushion block is not smaller than a thickness of the lift motor. the door-shaped frame is composed of at least three first sectional bars by splicing, and the damping groove is provided on the first sectional bars wherein a second sectional bar is disposed outside the door-shaped frame and between the window display area and the window concealment area; wherein a decorative frame is disposed inside the door-shaped frame and around an edge of the window display area, the decorative frame is composed of a third sectional bar by surrounding, and an outside of the third sectional bar is a decorative surface; and wherein the lifter bracket comprises a lift rod bracket and a lift motor bracket; the lift rod bracket comprises an upper fixing frame for fixing an upper portion of a lift rod , a lower fixing frame for fixing a bottom of the lift rod , and a first spacing cushion block for setting a distance between the lift rod bracket and the door-shaped frame; and a height of the first spacing cushion block is not smaller a thickness of the lift rod ; and the lift motor bracket comprises a motor fixing frame for fixing a lift motor , and a second spacing cushion block for setting a distance between the motor fixing frame and the door-shaped frame; and a height of the second spacing cushion block is not smaller than a thickness of the lift motor. <EOS>