Computer software for execution by a computer management system to supervise and detect a Boundary Conservation of Value and Quantity in at least one Supply Chain Unit Cell or Cell Group. A warning is output when there is an abnormality detected in the value or quantity in a supply chain unit cell or cell group, and corrective information is provided to the computer management system. A mathematical management logic model of supply Chain Boundary Conservation of Value and Quantity is utilized to perform the management of Supply Chain Boundary Change of Quantity or Value to supervise and detect a quantity or value of raw material, semi-products, as well as finished goods.