Production Management: module of the Nseer Open Source ERP Software supports the modern scientific production mode: it could not only strictly control the production according to the order, but also maintain the security stock, control the production according to the order and dominate the production procedure and cost by means of customizing the working procedure, raw materials and production time on real time. Integrated with the management of order, purchase and storage, the production management module of Nseer Open Source ERP Software can collect the production plan according to the practical situation via profound module of production control so as to establish the most favorable production order. In addition, it can generate the list of raw material and activate the storage, purchase module with the fastest pace of raw material preparation or purchase and support the accidental raw material application in the production through automatic systematic analysis. Furthermore, it can also not only register accumulatively the daily cost of working time and raw material in the actual production, but implement proper connection amongst different working procedures so as to reach the precise production cost. The basic functions of the Nseer Open Source ERP Software are the design of working procedure and the related raw material, management of production plan, production of production control, internal production and loss of raw material, inquiry on production cost, the standard data report and etc.