The paper-cut art is the Chinese Han nationality's most ancient one of folk art. Its history can be traced back to the sixth Century a.d.. Tracery or cut art, some with scissors, some use a knife, although the tools are different, but the creation of works of art is basic and same, collectively known as the paper-cut. The carrier can be paper, gold foil, bark, leaves, cloth, leather and other sheet materials. Window decorations are an important part of paper cutting, and pasting window decorations is one of the important customs of the Spring Festival. This course mainly introduces the history, content and modern application of paper-cut, and also shows several methods of making traditional window patterns.