In response to the demands of multi-variety batch，flexible，and intelligent manufacturing，a satellite assembly intelligent factory is proposed，integrating the intelligent manufacturing technology，new generation information technology，and satellite manufacturing.The connotation and system architecture of the satellite assembly intelligent factory are expounded.The key techniques，e.g.，the cross-domain coordination of industrial chains based on the industrial Internet，the flexible intelligent equipment for human-machine collaboration，the decision-making and execution control by artificial intelligence （AI）-assisted processes，and the Intelligent control of factory operation based on digital twins，are put forward.The integrated application of the intelligent satellite assembly factory is verified with practical examples.The results show that the comprehensive production efficiency is significantly improved，indicating that the proposed factory could provide a reference for promoting the transformation of satellite intelligent manufacturing mode.