PROBLEM TO BE SOLVED: To improve user-friendliness of a bed device equipped with an instrument placement part.SOLUTION: A bed device 10 includes a bed 11, a support frame 12 for supporting the bed 11 so that it can move upward and downward, and an instrument placement part 13 having a placement surface 57 disposed below the bed 11 that follows the upward and downward movement of the bed 11.SELECTED DRAWING: Figure 1