It is easier to write in small letters with oil fume ink. The oil fume of Yili Zhaiwu is oil fume ink, so the oil fume of Yili Zhaiwu is easy to use.
The small print is in regular script. Zhong You was founded in the Wei Dynasty of the Three Kingdoms. The classic works in lower case are: Zhongyou declaration form and recommended season direct form; Wang Xizhi's theory of Huang Tingjing and Yue Yi; Wang Xianzhi's Thirteen Odes to Luoshen, etc.