The invention relates to the technical field of decoration, in particular to a novel wallpaper automatic glue feeding pasting device for decoration. The device comprises a device body, a supporting rod fixedly connected to one end of the device body, a wallpaper winding and unwinding roller, an operation handle, a glue storage tank, a wallpaper guide plate, wall paper guide rollers and a paper fixing roller. The wallpaper winding and unwinding roller, the operation handle and the glue storage tank are fixedly mounted on the face part of the device body, the wallpaper guide plate is arranged onthe bottom of the device body , and the wall paper guide rollers and the paper fixing roller are fixedly connected to the wallpaper guide plate; a positioning baffle is fixedly connected to side wallof the device body, and a first wallpaper supporting roller, a first pasting roller, a second wallpaper supporting roller and a second pasting roller are sequentially in threaded penetrating connection to the positioning baffle. According to the device, through the first pasting roller and the second pasting roller, one face of wallpaper is subjected to two-time gluing, glue can form a uniform glue film on the wallpaper, pasting of the wallpaper is facilitated, meanwhile, water in a water tank is drained to a water coating roller through water seepage batt, the wall face has certain humidity,and wallpaper pasting is facilitated.