If the identified documents “seal script” cases of words, the pre-Qin era “seal script” is the bamboo place protuberance shaped bar mean, and points out that the reinforcement of the sample state as stroke up lines generally. After the “seal script” and font name connected consider is “the classical school” attempt. Especially as a “the classical school” according to the 《Rites of Zhou》 of the accounts of to focus on investigation of usage. 《Rites of Zhou》 of officer and towel car record, it is to point to sculpture in the carriage on the pattern and the 《Rites of Zhou》 of cultural relics and archaeological record the 《Taiyuan Jin Tomb of Zhao Qing》 of chariots and horses from comparison at the same time, from the Angle of the classical school of investigation to explore, carved in the carriage pattern “seal script” is the name of the font, and seal script has some connection.