Abstract: Military data is an important support for war command and decision-making. Due to the limitations of data sampling methods and tools, the construction of military equipment data asset management faces high risks and challenges of data redundancy, etc. The equipment system data management technology under the military application background in the metaverse is studied, the design appropriate data management schemes are designed, the decentralization of the metaverse military equipment data system is realized and the application ability level is greatly improved, and the security of military data and the whole process of data asset management are better ensured.