To enable a care-receiver to easily perform excretion keeping the posture of lying on his/her back on a bed main body.

As an apparatus for enabling the care-receiver to perform excretion keeping the posture of lying on his/her back on the bed main body, the bed main body 11 is arranged on a pedestal, is provided with two part which are an upper half part for supporting the upper half body of the care-receiver and a lower half part for supporting the lower half body, and can be elevated and lowered from the state wherein the lower half part 12B and the upper half part 12T are almost flat to an inclined state wherein the upper half part is raised to the angle of several degrees to 60 degrees relative to the almost flat lower half part by an elevating and lowering mechanism provided between that and the pedestal 20. A cover mat 17 is detachably provided on a part to support the lower back of the care-receiver on the upper surface of at least the lower half part 12B of the bed main body, and the lower half part is provided with an excretion port 18 for dropping discharge to the lower part of the bed main body when the cover mat is detached.