Army worm is a parasite that can do a more spoil to soubean leaves more than any other parasite. Army worm is a very dangerous parasite in a soybean farm, because it attacks in various growth level and can cause damage up to 80% of population. One of many plant that can be a potential for pesticides is bintaro plants. The purpose of this study is to gain an ekstract of bintaro plants leaves for pesticides that can be effective against army worm in soybean and to know the effect of it to soybean growth. This study held in Laboratorium plants Proteksi and Green House of Muhammadiyah University Yogyakarta in march 2018 until may 2018. This study methods using single factor field experiments arranged in complete randomized design. The treatments tested were organic pesticides of young bintaro plants leaves and the old ones, which each of it uses concentracions 100 g/l, 200 g/l, 300 g/l and plant without pesticides and plant with synthetic pesticides for comparison. The result of this study that extract of bintaro plants leaves with concentracion of 300 g/l are efective for organic pesticides against army worm based on mortality and efficacy that is equivalent to synthetic pesticides in soybean plants. Extracts of young leaves and old leaves of bintaro influence the growth of soybean plants.