Building information modeling (BIM) and 4D modeling have recently attained widespread attention in the architectural, engineering and construction (AEC) industries. Research efforts demonstrate the BIM and 4D approaches provide a faster and more effective way of communicating information between interested project parties and a better design which enables improved and innovative solutions as well as many other benefits. However, there are various legal new issues with the application of BIM? This study by literature review cartogorizes the four major legal issues in BIM applicaoitn : contract and system, responsibility and risks, intellectual property rights and Management and tools. By Questionairs, it further explores the related viewpoints in these four aspects of legal issues in BIM application.