Evonne's Bo Jin Shu embodies the "rhyme interest" in the Song Dynasty, which is called "the beauty of heaven and bones, and the interest leads to obscurity"; It also has a strong personality color, the so-called "such as bending iron and breaking gold." It is characterized by being thin and straight, with a horizontal pen with a hook, a vertical pen with a point, throwing it like a dagger, holding it like a knife, and a slender vertical hook; Some practice calligraphy like hairspring, close to calligraphy. His pen originated from Chu and Xue, and it was written in detail. The closing gesture was written in Huang Tingjian's big script, which was very imposing.