Abstract. Nahdi MS, Martiwi INA, Arsyah DC. 2016. The ethnobotany of medicinal plants in supporting the family health in Turgo, Yogyakarta,. The knowledge of healing using medicinal plants among the people of Turgo Hamlet, Purwobinangun, Sleman, Yogyakarta, Indonesia has been inherited from generation to generation. This knowledge must be studied and preserved. This study was conducted from January to June 2014 with an objective of studying the ethnobotany of medicinal plants in Turgo Hamlet community, including the local knowledge of medicinal plants to support the family health, the parts of plants used as medicines and the processing of medicinal plants. Qualitative and quantitative methods were used to collect data, using in-depth interview with 40 respondents selected purposively. The results showed that the people of Turgo Hamlet used 69 plant species from 36 families as medicinal plants. The most used part of plant was leaf (51%), followed by fruit (15%), rhizome (11%), stem (5%), root (4%), sap (3%), flower (3%), all parts (3%), tubers (3%), and endosperm (2%). The medicinal plants were processed or directly used as medicines. Most of the medicinal plants were boiled (62%); others were smeared on skin (15%), directly consumed (12%), cooked (4%), used for bathing (3%), burned (3%), and crushed using a kitchen blender (1%). The medicinal plants were used for external (33%) and internal (67%) diseases.