When entering into the early stage of the Warring States, these kinds of combinations were basically provided, their syntactical construction and lexical relation emerged complex formations.

Lexical semantic relation is the important content of lexical semantics. The theory of semantic field is the important achievement in researches of lexical semantic relations.

This paper probes into lexical semantics from three aspects, the ambiguity of word definition, lexical semantic units and the semantic relation within a word and its organizing.