To provide a nursing bed capable of preventing bedsores of a care receiver while minimizing a burden on the body of the care receiver when changing posture. A nursing bed with a longitudinal dimension and a width dimension has an upper surface forming member which forms a bed upper surface on which a care receiver lies and a driving mechanism configured to move at least a portion of the upper surface forming member. The bed upper surface includes a curved surface which is curved downwardly in the width direction.