The present disclosure discloses a logistics information acquisition method and system for transnational transport. The method and system of the present invention provide a user with a one-stop full-logistics query service, unify full-logistics information of transnational transport into one query portal for query, thus a user simply needs to query once to acquire transnational transport information from shipped to final delivery between a transporter in country of origin, one or more of transporters in transit countries, and a transporter in final destination country. With the method in the present disclosure, it eliminates the need for the user to query logistics information of transnational transport on each respective of websites of the transporters in all countries, thereby greatly reducing logistics query time, and improving logistics query efficiency, and having significant meanings for the related practitioners in cross-border eCommerce industry.