The subject of this theme is to explore Jiang Yan "Departure Fu" rhetoric of characteristics. To explore from chapter in the framework presented by the rhetoric of characteristics, and respectively to the structure, clue, density, waves, escapement, the eye of transition, rhetoric, such as the eight-oriented, one by one analysis. Text with "Departure" as the eye of clues, vertical and horizontal rules "to be deeply grieved" the situation, deeply moved, it gives a long influence. Divided to three parts: The head, to tell the whole separation; the middle, to tell departure in various way; the end, to sum up the departure. Master "to be deeply grieved is depart" after revealed, the full text is follow the sentence to elaborate on the statement. The first, interpretation set out the reasons for separation (space and time), the parties (pedestrians, citizens), and add "to be deeply grieved". Use "to departure is only a emotion" to close up above; and use "it is a matter of million people" open the follow text, as described departure of the seven cases; and ended with "uncertain of departure and thousands reasons of departure". The rhetoric of this theme is strict. "Departure Fu" writing is not by the writer own experience, but copying a temporary leave of the world and being separated by death. It is the sensitivity of departure. Through the difference between the natural environment, the writer is vividly described the different types of characters and the state of mind, to create a moving image. To express the emotion by the natural environment, make the sense of "to be deeply grieved" run through the entire chapter, not just rhetorical, but also dual precision, the harmonic sound. And use four-six Sao sentence, so that make the sentences with beauty and ordered, it would spread through the ages.