Nursing knowledge display propaganda device for public health

The invention discloses a nursing knowledge display propaganda device for public health. The device comprises a supporting frame and a frame body, a sliding groove is formed in the inner side wall of the supporting frame, a blocking mechanism is arranged in the sliding groove, two placement frames are slidably connected in the frame body, a balancing weight is fixedly installed at the bottom of one placement frame, a clamping groove is formed in the side wall of the other placement frame, protective glass is fixedly installed on the two placement frames, a wire passing mechanism is arranged at the inner top of the frame body, a connecting rope is fixedly connected to the top of one placement frame, and the connecting rope penetrates through the wire passing mechanism and is fixedly connected with the top of the other placement frame. The device is reasonable in structural design, when a propaganda poster is placed in the placing frame, the placing frame located at the high position can be rapidly descended, t