Abstract: A unique writing system is in common use among carpenters who name the writing signs “Lu Ban” characters which are craved on the building in Tujia nationality areas. With unique calligraphy, pronunciation and range of application, “Lu Ban” characters should be “local script” created by skillful craftsmen of Tujia nationality not late than Ming and Qing Dynasty.

Key words: Tujia nationality, “Lu Ban&rdquo, characters