The system provides a perfect solution for VAT anti-counterfeiting and tax control. The system encrypts and stores when floating, scans, recognizes and decrypts when authenticating, completes the anti-counterfeiting and tax control functions, realizes the closed-loop control of the issuance, sale, sales floating and deduction of certified tax returns, completely solves the floating problem of special floating wigs, and also provides accurate and complete data acquisition means for the audit system.