The invention provides a fruit picking auxiliary tool which comprises a cylinder, a bandage, frames, a push-pull rod, a sliding plate and a tool; the cylinder is fixed between the two frames, and thebandage is fixed between the two frames and used for binding the arm; the sliding plate is slidably embedded into the frames, the push-pull rod is installed on the sliding plate, and the tool is installed at the top of the sliding plate. A picking auxiliary tool is bound on the hand, the tool is driven by pulling the push-pull rod to cut stem ends, fruits are picked, the structure is simple, use is convenient, and plants are not damaged.