The purpose of this study is to determine the implementation of the production function is in accordance with the standard production function that has been set at the company PT. United Can Company, LTD . then, to find out the production function of PT. United Can Company, LTD undertakes planning in achieving production goals. This research uses a descriptive method with a case study approach, namely the method is carried out by collecting, presenting, analyzing and interpreting data systematically so that it can provide an overview that is used as the basis for providing suggestions. Data collection methods are interviews and documentation. The findings of this study are first, the activities of the production function starting from the master production schedule, assessment of inventory levels, maintenance schedules, productivity and added value, production equipment and facilities, quality control and control of finished goods in general have been carried out well. Second, in general the activities of the production function have been effective but there are some problems that exist so that in the future production operations can be effective.