To provide a cargo managing method and its system capable of smoothly answering requests from a dealer (shipper), a physical distribution managing company (physical distribution person), and a transporting company (transporting person), by managing transportation information in one place in a managing center by each company even if managing methods of articles (cargos) are difficult.

The managing center 10 manages cargos of the shipper (a) transported by the transporting person A in this cargo managing method. In this cargo managing method and its system, cargo shipping identification data identified and managed by the shipper (a) and cargo managing identification data identified and managed for the cargo by the managing center 10 are related and managed, and distribution information of the transporting person for transporting the cargos to the shipper is managed related to the cargo managing identification data.