Auxiliary back cushion for patient nursing

The utility model discloses an auxiliary back cushion for patient nursing, and relates to the technical field of back cushions, the auxiliary back cushion comprises a wedge-shaped back cushion, the wedge-shaped back cushion comprises a left side part, a top part and a right side inclined part, the left side part of the wedge-shaped back cushion is vertical to a bed board, the left side part is placed facing a bed head, the top part of the wedge-shaped back cushion is parallel to the bed board, and the top part is positioned above the bed board; the inclined part of the right side of the wedge-shaped back cushion is located on the side away from the bed head, rope bodies are arranged on the left side and the right side of the wedge-shaped back cushion, the rope body located on the left side of the wedge-shaped back cushion is used for being connected with the bed head in a binding mode, and the rope body located on the right side of the wedge-shaped back cushion is used for being connected with the chest or th