According to the historical records of Dai language, by the end of15th century, the "calligraphy fever" among Dai literati and monks rose again, and many famous calligraphers emerged. Hundreds of long narrative poems, most of which were adapted at that time. In the long-term practice of calligraphy, on the one hand, people hope to be more beautiful, convenient and practical; On the one hand, I am more familiar with the brushwork of charcoal pen, clay pen, iron cone pen and fern pen, thus creating new artistic techniques such as "pulling, rolling, bending and drifting" and promoting the renewal and development of Dai's calligraphy. From Yuan Dynasty to Ming Dynasty and early Qing Dynasty, Dai's calligraphy reached its peak. After "Warmer and Fairer", five kinds of calligraphy, such as "more diligent", "more attractive", "Duoluo Valley", "more hemp circle" and "more southern curtain", came into being, which became the unique artistic style recognized by the Dai people. The above six calligraphy styles with distinctive artistic features are collectively referred to as "Nan Zan He Zhe" in Dai language, which means "six methods" or "six styles".
From the aesthetic point of view, the essence of calligraphy itself is the sublimation of the artistic beauty of glyph structure. Without individuality, there is no so-called artistic originality. With the spread of Buddhism, Dai culture and education have been popularized, and a large number of Dai intellectuals have developed and grown. The cultural quality and artistic appreciation ability of the Dai people have been improved, and a number of young Dai calligraphers have emerged. In many years' practical work, they not only mastered the new and old Dai languages skillfully, but also were deeply influenced by China's excellent calligraphy, such as regular script, running script, official script and cursive script. Moreover, in the pursuit of ideal artistic realm, they also widely absorbed and borrowed the artistic expertise of Thailand, Laos and Myanmar, and paid attention to neatness, beauty, convenience and applicability. At the same time, he consciously pushed his artistic achievements to the society to be tested, and successfully created an excellent calligraphy style of new and old Dai languages with a more contemporary sense and distinctive characteristics.