”Kaogongji (The Artificers' Record)” is the earliest handicraft work of China. This article researches the characteristic of word's system of weapons in ”Kaogongji (The Artificers' Record)”, on the basis of classical Chinese semantics' and lexical semantics' principle. There are longitudinal as well as horizontal structural relationship among the words of weapons in ”Kaogongji” that from a stereoscopic word net and show the general association of things.