A fluidizable medium support bed includes a bed body, a blower, a support board, a diffuser board and a metal frame. The bed body has a concave area to accommodate a fluidizable medium. The bed body has an EPS body and a coating covering all outer surfaces of the EPS body. The blower is connected to a bottom area of the concave area to provide air. The support board has a plurality of through holes and is disposed on the bottom area of the concave area. The diffuser board is permeable to air but impermeable to the fluidizable medium. The metal frame is attached to a circumference of the bottom area of the concave area.一種流體承載床包含一床體、一鼓風機、一承載板、一透氣板以及一金屬框。床體具有一裝填凹槽以容納一可流動介質。床體包含一保麗龍體以及一塗層。塗層覆蓋於包麗龍體所有外表面。鼓風機連接至床體之裝填凹槽的底面用以提供一氣流。承載板具有複數通孔且位於裝填凹槽的底面。透氣板覆蓋於於承載板上,透氣板能夠容許氣流穿過,但無法容許流動介質穿過。金屬框套接於裝填凹槽的外緣。100...流體承載床102...床體104...墊高件106...鼓風機108...底架110...掛桿112...吊繩114...裝填凹槽117...拱形缺口