What is the key difference between BIM software operation and BIM model production? How could BIM competency be built efficiently? Starting from 6 BIM capabilities of BIM Software Operation, BIM Model Production, BIM Model Application, BIM Environment Building, BIM Project Management and BIM Business Integration, this paper provides a sample project based BIM competency building method by analyzing typical issues of current popular situation where people directly jump in model production after just learning software operation. The method was proven to be effective by more than 30 client cases.