Green open spaces are elongated / lane and / or clumped areas, with more open use, where plants grow, whether naturally grown or intentionally planted. The purpose of this research is first, to know law enforcement against green open space fulfillment in DKI Jakarta. Secondly, to find out the obstacles found by the Jakarta Parks and Cemetery Agency in the procurement of land for the fulfillment of green open space park in DKI Jakarta. The method in this research is qualitative with secondary data collection and literature study and primary data is taken with the instrument of interview with the official or authorized staff in related institution. The results showed that green open space of DKI Jakarta has not been fulfilled by 30% of the total area of Jakarta Capital City. The green open spaces of the park under the Jakarta Parks and Cemetery Department resulted from the refueling of SPBU, namely: Central Jakarta area there are 10 locations with an area of 13,022.00 M. North Jakarta area there are 3 locations with an area of 4,275.00 M2. West Jakarta area there are 3 locations with an area of 3.18800 M2. South Jakarta area there are 7 locations with an area of 12,277.00 M2. East Jakarta area there are 3 locations with an area of 4,123.00 M2. The Thousand Islands Region is no refunction. Obstacles encountered related to the procurement of land for green open spaces of the park, namely: first, the existence of disagreement in the community related to the procurement of land destined for the park. Second, the land in dispute. Third, in spatial planning every zoning / allotment is coordinated to different SKPD.