In the Spring and Autumn annals,Confucius written"ZhengBo ke Duan Yu Yan in May of summer",the two words"Zheng bo",Gong Yang and Gu Liang did not explain.Zuo zhuan solution:"Said Zheng Bo,ridicule also lost education".Whether"Zheng Bo"has the meaning of micro-words has always been controversial.According to Confucius's cautious attitude towards the title of Spring and Autumn,it is customary to address the monarch by his titles.However,the convention,for a specific matter or type of things,written titles,written country,written person's name,were different.This article analyzes this incident by analogy,the explana-tion of the word"Zheng Bo"in Zuo Zhuan is not over-interpretation,and Confucius used to speak big truth with the micro-words.