Provided is a wearable labor-saving auxiliary picking device for fruits on high branches. The device includes picking shears, a picking clamp, a winding drum, a fixing piece, a handle, a retractable picking rod and a frame carrier; the picking shears are fixed to the top of the retractable picking rod and magnetically fit the picking clamp; a track is arranged on the retractable picking rod and provided with a sliding groove; a sliding button is arranged on the picking clamp and disposed in the sliding groove, and a movable column is arranged on the picking shears; the handle is arranged at the bottom of the retractable picking rod and connected to the movable column through a steel line; the winding drum is arranged on the retractable picking rod and connected to the sliding button through a string; the fixing piece is arranged on the retractable picking rod and connected to the frame carrier. The device is simple, lightweight, suitable for different crowds and different environmentsand wide in application range. Moreover, the device is easy to operate and high in efficiency, and no damage is caused to fruits when the fruits are picked.