Speech function is used to fulfill human needs in exchange of experience which is oriented to System Functional Linguistics (SFL). It is also used to give the respond in delivering some information from the speaker. Theme and Rheme are derived mainly from textual function. Halliday (1985:45) states that the textual function of the clause are that of constructing a message’ and the Theme/Rheme structure is the ‘basic form of the organization of the clause as message. It means that Theme and Rheme, on which the clause depends for its orientation within the context, takes initial position in the clause. The data analysis of this study is concerned with Themes and Rhemes found in news story texts of The Jakarta Post