The SmartULD system helps airlines to master the accurate inventory of ULD at their global stations, and automatically gives warning of excessive or low ULD inventory; The system can automatically control the ULD movement through UCM/SCM and Loading lnstruction(LIR), which greatly reduces the huge workload of manual entry for the ULD management department of airlines. <><>SmartULD can obtain LIR data through the electronic Data Exchange with the iWB system, realize the automatic monitoring of ULD inbound and outbound, reduce the labor burden of the ULD department, and reduce the Potential errors caused by GHA messages.