Aiming　at　the　characteristics　of　multidisciplinary　collaborative　product　design,　such　as　multiple　domains,　multiple　views　and　dynamic　nature,　a　study　of　relating　and　coordinating　multiple　discipline　view　models　was　made.　A　multidisciplinary　constraint　and　relation　net　model　merging　function,　behavior　and　structure　was　put　forward,　the　structure　relation　set　and　the　semantic　relation　set　were　defined.　The　principles　and　methods　to　realize　consistency　maintenance　among　multiple　discipline　view　models　were　presented　by　means　of　the　methods　synthetically　using　relation,　constraint,　semantics　reasoning　and　project　management　to　make　the　static　and　dynamic　coordination　among　multiple　discipline　view　models.　And　a　reducer　was　illustrated　to　validate　the　proposed　methods.