A couch with a patient-inclining device (10) includes a tabletop (28), a pair of second rails (15) arranged below the tabletop, a second moving section (16) having a pair of second sliders (17) which are movable on the pair of second rails, a pair of block bodies (22A and 22B) which are movable on the pair of second rails, drive mechanisms (23A and 23B) which linearly move the block bodies with respect to the second moving section, a support section (26) provided on the second moving section to support the tabletop, and levers (27A and 27B), each having one end connected to the tabletop and the other end connected to the associated one of the pair of block bodies.