This article delves into the significance of Polyvinyl Chloride (PVC) sheets in the food packaging industry, highlighting their versatility, mechanical strength, and barrier properties which make them ideal for ensuring food safety and extending shelf life. The discussion includes an overview of the machinery used in processing PVC sheets, such as Negative Pressure Forming Machines and Plastic Vacuum Forming Machines, which are instrumental in producing cost-effective and reliable packaging solutions. Additionally, the article addresses environmental concerns related to the use of PVC in food packaging, examining modern advancements in recycling and the shift towards eco-friendly practices within the industry.