To provide a fluidized bed drying device that fluidizes brown coal appropriately by preventing the brown coal from being deposited on the bottom of a drying furnace.

A fluidized bed drying device includes: a drying furnace 5 including a fluidized bed 3 formed by fluidizing brown coal with fluidized gas; a heat transfer pipe 33 which is provided inside the fluidized bed 3; and a suspension support 34 in which the heat transfer pipe 33 is suspended and supported. One end of the suspension support 34 is connected to a lower-side portion of the heat transfer pipe 33 in a perpendicular direction, and the other end thereof is connected to an upper surface of the drying furnace 5.