After UV varnishing, the paper packaging can improve the appearance of the product, make the printing quality thick and full, luster and moisturize, improve the decoration effect of the paper products, and obviously improve the folding and chemical resistance and improve the performance. Reduce the loss of products during transportation and storage. For products with high moisture resistance requirements (such as electrical appliances), the paper packaging products can be UV-glazed to improve the moisture resistance of the package.