The skin packaging film is heated and softened and covered on the product and the bottom plate. At the same time, vacuum suction is activated under the bottom plate to form the skin film according to the shape of the product and paste it on the bottom plate (color printing paper card, corrugated cardboard or bubble cloth, etc.). After packaging, the product is tightly wrapped between the skin film and the bottom plate, and is used for commercial visual display packaging or industrial shockproof protection packaging. It has strong three-dimensional effect, good visual display effect, good sealing protection, and can effectively prevent moisture, dust and shock. Widely used in hardware, measuring tools, toys, circuit boards and other electronic components, automobile and motorcycle parts, hydraulic and pneumatic components, decorations, ceramic glass products, handicrafts, food and other industries.