Copy, that is, cover the template with transparent paper (glossy paper, Sydney paper, moisture-proof paper, cotton paper, sulfuric acid paper) or completely transparent thin corner pieces. In order to prevent the template from being polluted by ink, cover the transparent paper with thinner and more transparent historical paper and Xuan paper (such as tying flowers, knitting cotton and single announcement), and then use the method of "tracing red" along the strokes of the characters.