The utility model discloses a flatcar and sick bed instrument supporter. The device includes: the bed body, the both sides of the bed body respectively are equipped with a guardrail, and the guardrail includes telescopic link no. 1, handle, telescopic link no. 2 and a plurality of connecting rod, a plurality of connecting rods are the scalability loop bar, one end and the telescopic link fixed connection of connecting rod, two fixed connection of the other end and telescopic link, the both ends of telescopic link no. 1 and telescopic link no. 2 all are equipped with the handle, still are equipped with a plurality of screw holes on two sides of telescopic link, and telescopic link no. 2 passes screw hole and bed body coupling through rotating the button, two telescopic links are equipped with the supporter between one, the supporter is connected with telescopic link no. 1 through the draw -in groove on its landing leg no. 1, the lower extreme of the sick bed landing leg on the bed body is connected with the upper end of the piston rod of pneumatic cylinder, and pneumatic cylinder and setting are in electric connection of controller of bed side face.