This study covers the positive politeness strategy in directive speech acts among adult woman in facebook. It is a qualitative study. The subjects were adult women at age of 25-35 years. The purposes of the research are: (1) to describe the directive speech acts applied by the adult women when communicating in facebook, (2) to identify different kinds of directive speech acts used by the adult women in facebook, (3) to describe the positive politeness stategy applied by the adult women in communicating on facebook. The data were collected through observation, interview, and documentation. The primary data are the utterances of the adult women when up dating status and commenting on facebook. The design of this study is content analysis. The data were analyzed by Simak, Libat, Cakap instrument. The data were read and analyzed to describe the directive speech act based on Kreidler's theory. Then they were identified as the function of the utterance. Next, they were identified the politeness strategy by guided Brown and Levinson Theory. To dig more information the researcher participates in facebook activities such as commenting and giving the emoticon. Moreover, the interview was also conducted to achieve the goal of the research. Credibility test was done through extended observation and member checks. It is found that women apply positive politeness strategy, there are (1) Using in-Group Marking, (2) Joking, (3) Presupposing commonground, (4) Avoiding disagreement, (5) small talk.