Preparation method of windowed food packaging bag and coiled material using soft tissue paper

The invention provides a preparation method of windowed food packaging bags and coiled materials using soft tissue paper, and the preparation method comprises the following steps: S1, a roll-to-roll surface of a transparent coiled material is coated with a glue layer and dried, and the transparent coiled material is a nylon film coiled material; s2, a tissue paper unwinding roller and a release layer unwinding roller are provided, the tissue paper unwinding roller comprises a first tissue paper roll and a second tissue paper roll which are arranged at an interval, and the first tissue paper roll and the second tissue paper roll are coaxial and are arranged at a preset interval; s3, the transparent coiled material coated with the glue layer, first tissue paper of the first tissue paper roll, second tissue paper of the second tissue paper roll and a release layer of the release layer unwinding roller are conveyed into a pressing roller to be pressed, and the first tissue paper and the second tissue paper extend