Packaging structures

A packaging structure, comprising:

• a sheet including a base plate and a first side plate, a second side plate, a third side plate, and a fourth side plate, the first side plate, the second side plate, the third side plate, and the fourth side plate being distributed around the base plate;
• and
• a film at least including a first fixed part and a second fixed part, the first fixed part and the second fixed part being fixedly connected with at least two side plates of the first side plate, the second side plate, the third side plate, and the fourth side plate, respectively, wherein,
• the first side plate is disposed opposite to the third side plate, and the second side plate is disposed opposite to the fourth side plate, the first fixed part and the second fixed part of the film are fixedly connected with the first side plate and the third side plate respectively, wherein
• a plurality of cutting lines are disposed on the film to form a plurality of stretching holes;
• the film includes only one display region in a central region of the film and two non-display regions, the two non-display regions are located at two opposite sides of the central region, respectively, along a longitudinal direction of the film from the first side plate to the third side plate, the plurality of cutting lines are only distributed at the two non-display regions such that the display region is a smooth region for displaying a packaged object.