PT. Diva Mitra Bogatama is a company engaged in seasoned flour industry. One of its products is crispy retail. In the production process, PT. Diva Mitra Bogatama does not use quantitative calculation methods in planning and controlling raw materials, thus, the company often has problems and losses of the availability of raw materials. Therefore, it is necessary to use an application program for planning and controlling raw materials. Through this application program, the company can be facilitated in calculating the planning and control of raw materials so that losses due to excess raw materials, and delays in delivery due to hampered production processes can be reduced. Forecasting method chosen based on the smallest error is cyclic. The MRP methods are LFL, EOQ, LUC, POQ, and Silver Meal. Another calculation method is continuous review (Q, r) backorder method. The chosen method is the method that has the smallest cost.The cost of wheat flour using the continuous review (Q, r) backorder method is Rp 106.371.229 and the cost of corn flour with continuous review (Q, r) backorder method is Rp 24.609.342.