There are two versions of the calligraphy of Lu Yu's Tea Classic, one is the manuscript of the Song Dynasty, and the other is the imperial book of Song Zhenzong in the Qing Dynasty. The calligraphy style of the manuscripts of the Song Dynasty is rough, but the charm still exists. Song Zhenzong's imperial calligraphy style is more regular and delicate, which is an important treasure of China's calligraphy art
Generally speaking, the calligraphy style of Lu Yu's tea classics is the same as his article style, which embodies his unique personality and value.