To provide a method and a device, which are used for filling a toner for an electrophotographic image formation device or the like and can instantaneously control the stop of a powder transfer to a container without causing change in properties of the powder.

The powder filling nozzle comprises tubular bodies 30, 31 used for filling a fluidized powder while the powder is mixed with a gas in the container. Further, the nozzle has a function to stop the transfer of the powder in the tubular body 30 by sucking and separating the gas transferred together with the powder in a first tubular body 30 by a gas separation means 32 to the side of a second tubular body 31 from the powder to form a bridge comprising the powder in the tubular body 30.