The usual calligraphy methods, that is, opening and closing, lifting and pressing, are also calligraphy methods. It is called common method, not only to show its universality and normality, but also to distinguish it from special method and analogy method. In calligraphy, using a pen is a crucial thing. It is almost impossible to write China's calligraphy well without a deep understanding of using a pen, a correct method and a solid basic skill. Whether to use a pen or a brushwork is mainly about the different uses of brushstrokes in the process of writing. Different strokes have different shapes.