From a pragmativs perpective and based on the consideration of (1) the speaker and hearer; class difference, the level of forcefulness given by the speaker, and the consideration of the hearer's will, and thus the differences generated from this; (3) the necessary rules abided to within language comminication such as co-operative principle and modesty principle, this paper tried to give a basic analysis on the characteristic usage of imperative semtemces in Zu Tang Ji and thus a further investigation into the directives gradations the illocutionary force concerned.