＂Duo（多）＂ and ＂Shao（少）＂ as a couple of antonyms,the frequency of their use is not equal,even out of balance.＂Duo（多）＂ has four parts of speech-numeral,adjective,verb,adverb-while ＂Shao（少）＂ has only two kinds of part of speech—adjective and verb.The differences of their parts of speech result in all kinds of imbalances in use.In addition,the cross of the two value tendency and multi-valued tendency in their semantic field division,the special additional meaning of ＂Duo（多）＂ and the cognitive basis contribute to the unbalanced nature.