The invention discloses a sliding rail connection piece which is connected between a sliding rail and a drawer. The sliding rail connection piece is composed of an L-shaped connection block, an axial tongue buckle and a radial tongue buckle, wherein the axial tongue buckle and the radial tongue buckle are arranged on the connection block. The axial tongue buckle is connected to a sliding rail end cover in a buckled mode. The radial tongue buckle is connected to the side face of the sliding rail in a buckled mode, and the drawer is connected to the connection block. Through the axial tongue buckle and the radial tongue buckle, the drawer and the sliding rail are quickly disassembled or assembled without a tool, and the assembling efficiency is greatly improved. A detachable spacer is arranged and can be suitable for drawers of different sizes and the assembling softness of the connection piece is improved.