NOVELTY - A fuel cell vehicle is controlled by performing stop treatment process which opens on-off valve after stop command to fuel cell vehicle, supplies fuel gas to the fuel cell, and continues the electric power generation and discharge by the fuel cell; and communication filling process which fills the storage container with the fuel gas supplied from external fuel-supply source while transmitting data signal which shows state of the storage container to external fuel-supply source according to the filling start requirement of the fuel gas to the storage container.    USE - Method for controlling fuel cell vehicle.    ADVANTAGE - The method shortens time for filling, thus flight range of fuel cell vehicle can be extended.    DETAILED DESCRIPTION - Controlling fuel cell vehicle comprises stop treatment process which opens on-off valve after stop command to fuel cell vehicle, supplies fuel gas to the fuel cell, and continues the electric power generation and discharge by the fuel cell; communication filling process which fills the storage container with the fuel gas supplied from external fuel-supply source while transmitting data signal which shows state of the storage container to external fuel-supply source according to the filling start requirement of the fuel gas to the storage container; and standby process on waiting the start of the communication filling process until the after-stop discharge process in execution is finished when the filling start requirement arises while performing the stop treatment process. The fuel cell comprises storage container which stores fuel gas; fuel gas supply path which connects the storage container and fuel cell; on-off valve in the fuel gas supply path; and transmission mechanism to transmit the data signal which shows the state of the storage container to the exterior.    DESCRIPTION OF DRAWING(S) - The drawing is a time chart which shows systems breakdown process performed after the stop command of system, and communication filling. Drawing includes non-English language text.