In a word, cursive brushwork is the most abundant, including center, flank, Fang Bi, round pen, hidden pen, exposed pen, pressed pen, raised pen, frustrated pen, stirred pen and turned pen. , is the most concentrated brushwork in all kinds of calligraphy styles. Therefore, the brushwork of cursive script is the key to learning. "Grass takes turns instead of words." On the one hand, it talks about the structural law, on the other hand, it also shows the importance of cursive brushwork. If the brushwork is not correct, it is not cursive.