Abstract: This paper describes the object model of business management for large scale industrial enterprises. The model' s place and role in the automation system architecture is diseussed and the fund flow occurred in the produetion and business process is analysed.We propose a Borrow-Lend Flow Chart(DCFC)to describe the fund flow model.The linkage between BLFC and borrow-lend account is also discussed. At last,we establish some fund flow sub-models using BLFC method.