"Harmony" is the core and key in Chinese culture's long history. In ancient literature, there are4 words "he"(禾), "he"(咊), "he"(龢) and "he"(盉) similar to the "harmony", and the 4 words can be used universally in some extent. Through the analysis of "he"(禾), "he"(咊), "he"(龢) and "he"(盉) in Classical Exegetics and "harmony" in Kangxi Dictionary and Ci Hai, the author get conclusion that the meaning of "harmony" comes from those four words. The rich implications of "harmony" originates from the me...