Pull type lockbolts is widely applied in aerospace composite case.The assembling efficiency and quality of aerospace composite case can be improved by the realization of automatic drilling-riveting technology.In this papers the riveting principle of pull type lockbolts is introduced.Some automatic drilling-riveting technology in China and abroad and the recent developments are reviewed in the paper.Working characteristics and effect of common automatic drilling-riveting system are analyzed.Further more a new kind of automatic drilling-riveting scheme for composite case assembling are presented,which lays a foundation for the automatic drilling-riveting of the composite case.