Regarding moderate length notes as main content, the book tries to explain allusions according to principle of ""helpful to understand original text"". Besides, the book breaks the frame of the poetry genre, and put the same authors different genres works together . As to different authors, it roughly makes orders according to successive time. Another purpose to do so is to make it convenient for people to search and look up.In the format design, the left column is poems, the right column is notes. Notes coordinate with textand it is convenient to read and understand.