PT Sawit Asahan Indah Is a private company owned by PT. Astra Agro Lestari tbk produces Fresh Fruit Bunches (TBS) of palm oil as well as processing CPO crude oil. Palm oil production at PT. Sawit Asahan Indah experienced fluctuations and had low labor productivity. This study aims to determine the management of harvesters and factors affecting the productivity of palm oil harvesters. The method used is Descriptive Analytical method, the data obtained through interviews with Harvest Foreman then collect secondary data within the last one month. Manpower management of oil palm harvesters includes planning (PPA, Quiet Harvest, Harvest Section, Harvest System, Harvest Rotation, and harvest criteria), Organizing, Implementation (optimal working Hours according to SOP), and Supervision (violations given sanctions SP1, SP2, SP3 and PHK).The result of factor analysis affecting productivity of palm oil harvesting worker at PT SAI sHows that the number of dependents, wages and Garden Area significantly affect the productivity of palm oil harvesting workers in PT. Sawit Asahan Indah.