The invention discloses a medical nursing elbow walking stick, and belongs to the medical field. The medical nursing elbow walking stick comprises a fixed mount (1) which is used for supporting an elbow and a supporting pole (2) which is connected to the fixed mount (1) and gets into contact with the ground, wherein the fixed mount comprises an elbow frame (10), a handle (102) and a fixed seat (103); the fixed seat and the supporting pole are connected; the elbow walking stick is characterized in that the supporting pole includes a first supporting pole (201) and a second supporting pole (202); a convex central shaft (204) is arranged on the first supporting pole; the second supporting pole is provided with a hollow passage (209) and a movable groove (208) which communicates with the central passage (209); the cross section of the movable groove is greater than that of the central passage and is represented as a semicircle; the central shaft runs through the central passage, and a limiting block (205), which is located in the movable groove, is fixed to the end of the central shaft; the limiting block cannot rotate around the central shaft along the movable groove; and a compressedelastic piece is arranged between the first supporting pole and the second supporting pole.