This article examines the efforts and achievements of Oen Boen Ing. a Tionghoa doctor. to improve the quality of health of the poorer inhabitants of Surakarta. Dr Oen played an important role in five different periods: Dutch colonialism. https://www.hindigyanvishv.com/deal-time-Universal-Steering-Wheel-Control-Input-Interface-APUNISW2-hot-grab/