The paper lid is an environmentally friendly sealing solution specifically designed for the food packaging industry. It is made of food-grade coated paper or degradable materials, and the processes of die-cutting, forming, and pressing are completed through an automated production line to ensure that the product has a uniform thickness and a smooth edge. The product is designed to fit various types of cup shapes and bowl-shaped containers, and it has excellent sealing and leak-proof performance, effectively preventing drinks from spilling or food from being contaminated. It supports customized printing of logos, patterns, and specification sizes to meet the needs of brand promotion and personalization. Its lightweight structure saves storage space, and it is easy to open, recycle and reuse. It is a green alternative to plastic lids and is suitable for scenarios such as coffee, milk tea, fast food, etc., helping enterprises to practice the concept of sustainable development.