The use of net working capital, or working capital is very important for the analyzer internally and externally, in addition to the problem of working capital is closely related to the company's daily operations also indicates the level of security or margin of savety creditors mainly short-term creditors. The purpose of this study was to determine the effective management of working capital at KUD “Karya Bhakti” towards increased profitability and maintain liquidity. Type of research include descriptive using a case study approach. The research location KUD "Karya Bhakti". The data used are primary data and secondary data. Results found indicate that conditions profitability ratio increased cooperation in 2011-2016, showed that KUD "Karya Bhakti" improve the effectiveness of an increase in the use of assets in generating profits. The level of liquidity can be maintained so that KUD "Karya Bhakti" can be said to be good. It is important for the cooperative to streamline the amount of cash, in order to draw up budget cash management were really appropriate for the cooperative in accordance with well finance. It requires management policy in order to manage accounts receivable turnover increased and the number of cooperatives soon paid off at maturity.