Running script can choose famous artists such as Wang Xizhi and Mi Fei according to one's own preferences. Wang Xizhi's calligraphy is not used to it, which is more suitable for beginners and belongs to Yan's style. After practicing, Yan's road is basically unimpeded. Preface to Lanting is Wang Zi's first copybook, which is known as the best running script in the world. Its original is now lost. At present, all the manuscripts have been handed down, among which Feng Chengsu's in the Tang Dynasty is the best. Although it is a copy, it is well-known, and it was evaluated by Yuan Tianxi as "elegant calligraphy, brilliant ink color, extraordinary beauty, fascinating and exquisite". Therefore, it still has high learning value. But it's a pity that the number of words in this post is too small. Plagiarism is a lack of standardized words. The remedy is to refer to and practice the Preface to Wang Xizhi's Ci Collection written by Huairen in Tang Dynasty. Although it is a single word integration, there is little connection between words in the text, and there is no sense of alienation caused by patchwork. It can be seen that Huairen is painstaking, so it still has high artistic value, which can be compared with Lanting preface.