To optimize the efficiency of cross-border freight circulation, various ports continue to optimize their customs clearance service models and introduce multiple facilitation measures. Mainly including promoting paperless online declaration and reducing offline processing procedures for enterprises; Implement an appointment based customs clearance and rapid inspection mechanism, and simplify the inspection process for compliant freight goods; Improve the supporting facilities for port warehousing, transit, and sorting, and enhance the capacity for cargo distribution and turnover. The series of measures effectively compress the overall clearance time of goods, reduce the time and labor costs of cross-border transportation for foreign trade enterprises, and improve the efficiency of cross-border freight circulation.