Design and implementation of income invoice management method based on supply chain collaboration

The invention belongs to the field of invoice management methods, and particularly relates to design and implementation of an income invoice management method based on supply chain collaboration, S1, establishment of a supplier portal system: in order to realize collaboration with suppliers, firstly, a supplier portal system needs to be established, the system can provide an integrated platform (integrated with an enterprise supplier management system SRM), so that an enterprise can perform information sharing, process collaboration and communication with suppliers; and S2, invoice data standardization: in order to realize standardization and normalization of input invoice management, invoice data needs to be subjected to standardization processing. According to the invention, through cooperation with suppliers, authenticity and reliability of invoices are ensured, tasks of invoice data acquisition, uploading, analysis, accounting, account checking and the like can be automatically completed, possibility of m