On the filling line that flows 800 bottles of beverages per minute, the demand for instantaneous changes in batch numbers or expiration dates has become the norm in the manufacturing industry. Real-Time Batch Printing technology compresses the traditional 25-minute manual date code input process to 0.3 seconds by establishing millisecond-level communication between MES/ERP systems and inkjet coding equipment, while eliminating 99.7% of the risk of human error. The core lies in the deployment of a dynamic data engine: When the production batch of the pharmaceutical packaging line is switched, the OPC UA protocol automatically captures the data packet of "batch number + validity period + serial number" from the QM system. After being encrypted by AES-256, it is directly connected to the inkjet printer controller to complete the inkjet printing under the condition that the conveyor belt speed is ≤12m/s, and the character accuracy reaches ±0.1mm (conforming to the GS1-128 barcode standard). After the implementation by a certain multinational dairy company, the recall incidents caused by incorrect date codes were reset to zero.