Based on analysis of the reasons of low efficiency in construction industry, the paper suggests that the key point of improving efficiency is the implementation of lifecycle building information integrated management. The main contents of research in this paper includes the concept and philosophy of BLM, the formation of BLM and the concept of BIM, product analysis and implementation.After the analysis of the BLM, it indicated that BIM was the key technology in the implementation of BLM.Subsequently, it revealed the concept, product and application of BIM from the perspective of the construction project lifecycle. Finally, it pointed out the existhy problems and ways to solve in BIM application. It is hopeful that this paper could in in spire more people to focus on BIM and provide reference for BIM research and practice in china.