There is a high demand for steel in marine enterprises and the shipbuilding industry, in order to improve the efficiency of steel utilization and steel management in marine enterprises and shipyards. This article studies steel management technology based on the combination of computer and mobile terminals, with data flow as the main focus, connecting multiple production departments of the enterprise and achieving the full process tracking of steel management from warehousing to outbound. Establish an effective management system for steel management to improve the efficiency of steel management.