Abstract: The state of the arts of the digitalized assembly technology is reviewed. Research and implementation of the satellite digitalized assembly technology is discussed, including how to build the satellite digitalized assembly system, the parallel digitalized assembly technology, the simulation process, the design and equipment for the assembly production line, the digitalized assembly application technology and the digitization quality control technology. At the same time, it is shown that the digitalized satellite assembly technology means a significant breakthrough of the satellite integration technology.