According to the "Regulations Governing The Approval and Administration of Direct Cross-Strait Sea Transport Between the Taiwan Area and the Mainland Area", foreign vessels may navigate between the ports between the Taiwan Area and the Mainland Area only after the application has been forwarded to and approved by government both sides. The ship's flag restriction will affect negative to all carriers' willingness of using Taiwan ports and facilities. This study focused on this issue and made In-depth interviews with main foreign carriers, and find out the intentions of foreign ocean liners calling Taiwan ports under direct cross-strait shipping policy.