In view of the prominent problems existing in the current information technology architecture of military equipment management, analyze the advantages of block chain technology in the management information technology system. According to the characteristics of block chain technology and related problems that can be solved, describe the application ability of block chain technology, elaborate the role of block chain technology in the information technology architecture of military equipment management, combined with the development of current new technology, puts forward the way to promote the integration and development of block chain technology and the information technology architecture of military equipment management. The results show that the research has certain practical reference value.