The purpose of this research is to describe the form of the principle of politeness in the dialogue of Tere Liye's Si Anak Badai novel. This study used a qualitative approach with a descriptive research type. The data source for this research is Tere Liye's Si Anak Badai Novel, while the data for this research are sentences that contain the principles of politeness and. The data was collected by documentation techniques. Data analysis was performed using descriptive qualitative analysis techniques. The results of this study indicate that the politeness principle in Tere Liye's Si Anak Badai novel consist of quantity maxims, quality maxims, relevance maxims, manner maxims, wisdom maxims, generosity maxims, acceptance maxims, humility maxims, compatibility maxims, and sympathy maxims. These maxims have a specific relationship in the realm of function each speech that used by Tere Liye in constructing every occurrence in the story. The researcher found that the maxims were used in a balanced way by Tere Liye as the writer of the novel Si Anak Badai, so that the point to point of the story built a construction that fulfills the elements of language politeness and is able to educate the reader.

Keywords : Pragmatics, Unity Principles, Politeness Principles.