the present invention provides a paper container and a method of making the same . the method comprises the steps of preparing a mold ; sending paper into the mold ; injecting plastic material after closing the mold ; and opening the mold to acquire a paper container . thereby , the plastic material can be connected between two distal ends of the paper . so the connection part of the paper is smooth and flat without any bumps , and the paper container has a good waterproof structure .