The invention discloses a full-automatic drawer sliding rail assembling machine which comprises a sliding rail main body storage stay wire, a first suction manipulator, a chain conveyor, reaming equipment, riveting equipment, a pin feeding device, a roller feeding device, a spacer feeding device, a rotating disc type assembly table, a second suction manipulator, a finished product roller moving stay wire, a roller axial gap detection device and an oiling device, wherein the sliding rail main body storage stay wire is arranged upstream the chain conveyor, the reaming equipment is positioned at the downstream of the first suction manipulator, and the riveting equipment is installed on the chain conveyor and is positioned at the downstream of the reaming equipment and on the same side as the reaming equipment. According to the full-automatic drawer sliding rail assembling machine, full-automatic assembly of pins, rollers and spacers into a finished roller can be realized, the finished roller can be automatically screwed and riveted on a drawer sliding rail main body, meanwhile, roller axial gap detection on a finished drawer sliding rail and anti-rust oil coating in riveting positions can be automatically completed, manual operation is matched, and the full-automatic drawer sliding rail assembling machine has the advantages of simplicity in operation, low manual labor intensity and high assembling production efficiency.