Hospital relation accompanying chair with relatively high comfort

The invention provides a hospital relation accompanying chair with relatively high comfort. The chair comprises a rotary shaft, a self-locking trundle, a first expansion part, a third slide bar, a handle, an inflection plate, a second slide tube and a third slide tube. A first connecting section, a second connecting section and a third connecting section with the self-locking trundle jointly forma foldable accompanying chair structure in the prior art by way of hinging. The design is obtained by adding the structure of an existing dual-purpose folding structure. The side face of an existing seat is matched with a row of pulled and retracted expansion parts by a connecting mode of the slide tubes and the slide bars. By means of the expansion parts, an accessory pad matched structurally canbe paved. Therefore, a lying area is overlaid to the whole unfolded chair, so that the action area of the device which is used is improved, the medical staff is more comfortable to lye down, and is simple in structure and eas