This study aims to see the determinants of investment and its effect on poverty in indonesia. this research uses two analysis that is long-term equilibrium analysis by using cointegration equation and short term analysis with ecm (error correction model) linear regression method. the secondary data used was obtained from indonesian central bureau of statistics, bank indonesia, period 1990-2016. based on the results obtained, where together the determinants of investment affect the investment. domestic investment (pmdn) and foreign investment (fdi) are simultaneously affecting poverty, while all investment determinants simultaneously affect poverty, as well as spawning government with routine expenditure procurement, development spending and shared regional spending affect investment and is crowding in. to ensure the growth of private investment, and to reduce poverty in indonesia, it is recommended that the government maintain the stability of its spending expenditures, in