Medical nursing bed with protective device

The utility model belongs to the field of medical nursing beds, and particularly relates to a medical nursing bed with a protective device, which comprises a nursing bed body and a protective mechanism. The protection mechanism is provided with four sleeve rods, the inner walls of the sleeve rods are movably sleeved with movable rods, threaded grooves are formed in the bottoms of the movable rods, the inner walls of the threaded grooves are movably sleeved with threaded rods, the tops of the threaded rods are fixedly connected with transmission shafts, and the tops of the transmission shafts are fixedly sleeved with servo motors. Bacteria invasion can be prevented by arranging an anti-bacterial breathable cushion, a patient can be ventilated enough during contact, a servo motor rotates a threaded rod in different directions, a movable rod moves in the inner wall of a sleeve rod, the movable rod drives a protection frame on one side to ascend and descend when moving, and the patient can get on and out of the b