During the production process, the equipment chain clip is damaged, and the raw material contains many impurity molecules with relatively large functional differences, which will cause the stretch film to show the phenomenon of horizontal stretch. Horizontal tension rupture is the most common in the production process. The film is easy to break when it is stretched horizontally at high speed. We generally divide the horizontal tension rupture into three types: horizontal rupture, longitudinal rupture and release rupture. In use, if the machine head leaks material or is crushed by the roller surface during operation, the film will break. The stretch film may be damaged during the production process, which is nothing more than equipment problems or man-made existence. After understanding the detailed reasons, we can solve this problem in the production process. At the same time, the equipment can also be inspected before the operation. Perhaps it is a certain training operation for the operator, which can effectively avoid the phenomenon of product damage.