Wallpaper pasting device for indoor decoration

The utility model discloses a wallpaper pasting device for indoor decoration, and relates to the technical field of indoor decoration. The wallpaper feeding device comprises a movable trolley and a wallpaper body, a wallpaper frame used for feeding the wallpaper body is arranged on the top face of the movable trolley, and a lifting mechanism is arranged on the top face of the movable trolley. A second threaded rod is meshed with a U-shaped frame, so that a pressing plate vertically moves in the U-shaped frame, the pressing plate makes contact with the bottom of the inner side of the U-shaped frame and the surface of a wallpaper body, and then the wallpaper body is fixed; one side wall, attached to the pressing mechanism, of the wallpaper body makes contact with the surface of a building wall through a movable trolley, a stepped rod moves rightwards relative to a mounting plate, a spring is stretched, the pressing mechanism is driven by a lifting mechanism to vertically move, and the wallpaper body is pressed