With　the　continuous　improvement　of　people’s　living　standards　and　the　continuous　development　of　high-tech,　the　current　steel　manufacturing　industry　based　on　artificial　cannot　meet　the　needs　of　society.　In　response　to　the　call　of　the　national　intelligent　factory　policy,　this　system　carries　out　PLC　automatic　control　on　the　transfer　vehicles,　which　were　originally　artificially　controlled,　in　the　steelmaking　plant,　and　designs　the　human-machine　interface　to　visually　obtain　the　information　of　the　transfer　vehicles　and　conveniently　control　the　vehicle　operation.　The　design　of　the　system　can　effectively　improve　the　operation　efficiency　of　the　transfer　vehicle　in　the　steelmaking　plant,　improve　the　scalability　and　maintainability　of　the　system,　and　has　a　good　application　effect.　©　2022,　The　Author(s),　under　exclusive　license　to　Springer　Nature　Singapore　Pte　Ltd.