Disclosed is a novel multifunctional wheelchair bed. A bed body and a wheelchair are combined to form the novel multifunctional wheelchair bed, and the bed body comprises a bed frame, bed plates, roller struts and electric push rods. The bed plates comprise seven plates which include side plates and a top plate and form a door-shaped structure, the wheelchair comprises a base, front wheels, rear wheels, a motor, a battery, a wheelchair backrest plate, a seat plate, a shank plate, a pedal plate, base electric push rods, wheelchair backrest electric push rods, an arc-shaped connecting rod, a wheelchair seat electric push rod, a left armrest, a right armrest and a control portion, the control portion comprises an operating lever and a button which are respectively arranged on the left armrest and the right armrest, assembling round rods of the wheelchair rectangular bed plates are respectively inserted into assembling round tubes of the seven plates, which form the door-shaped structure,of the bed body, and then the wheelchair and the bed body can be integrally combined to form a total bed surface. The novel multifunctional wheelchair bed has the advantages that the wheelchair stands by means of driving the electric push rods, the wheelchair with the standing function is combined with the bed body, a patient or an old person can independently control and complete combination andseparation of the wheelchair and the bed body, and functions of the wheelchair and functions of the bed body can be switched.