The oldest existing theory of calligraphy in China is "Hisosho" written by Choitsu in the Chinese calligrapher list described in the later term of the Western Han period (refer to the Chinese history and theory of calligraphy).
現存する中国最古の書論は、後漢時代に著された中国の書家一覧趙壱の『非草書』である（中国の書道史書論を参照）。