"Gongsun Long" is the main representative of the important works of Chinese masters Ponder on the Qin Dynasty. According to the "Han. History" records, "Gongsun Long 'original 14, then lost the majority. "Sui. Jing Ji Zhi "only" Taoist "following" Shou on white. " Existing "Gongsun Long," a book only six, saved in the Ming Dynasty "Taoist", the book spread complicated, Song after it was suspected that the truth that this present "Gongsun Long" is a person under the Jin Dynasty codification of fragmented material up to a certain extent lost Qin "Gongsun Long 'true colors. The book is a study of Gong philosophical views of important historical and logical thinking.