The main work pattern of harbor engineering investigation and design industries is two dimensional separated working. Its features include design separated, data store in different documents and tables, information exchange by lettering. This pattern is not only ineffective and difficult to share data, but also making mistakes and omissions easily. This article proposes a new system of harbor engineering investigation and design industries, named HIDAS. HIDAS is three-dimensional designing based and whole production process integrated, realizes full profession three-dimensional design, seamless data link, customizable auto analysis, customizable result data output and product lifecycle management. This article introduces the features of design pattern in HIDAS and the development status of the system.