The research on "Community Knowledge, Attitude and Practice (KAP) about Lymphatic Filariasis inMadang Suku III Sub District, Oku Timur has been done with cross sectional design. This study is a followup of studies about filariasis parasite periodicity in the village of Karya Makmur, Oku Timur. There were377 respondents with proporsional random sampling methode. The data collection was carrying byquesioner. The result of this research showed that the respondent's knowledge about the causes,symthomps, transmission and prevention of lymphatic filariasis was still not good. Respondent attitudestowards the prevention eradication of lymphatic filariasis has shown a positive attitude. Whereas, thebehavior of people with a habit out at night at risk in the process of transmission of lymphatic filariasis.