The balloon stuck to the hotel wall was not handled properly and the wallpaper was broken.

Cover with masking paper or wallpaper paste and repair with splicing method.

1. Cover with masking paper or wallpaper paste: You can cover the damaged part with masking paper or wallpaper paste and then cover it.

2. Splicing repair: cut off the damaged part, then stick it in the corresponding position with wallpaper paste to match the pattern as much as possible, and then apply a layer of paint after drying.