This paper introduces the main functions, interface, development principle and examples of main modules of EasyDoing Water Transport Engineering Foundation CAD Software V1.0 which is developed according to the Code for Soil Foundation of Port Engineering(JTS 147-1-2010). This software is mainly used for water transport engineering slope stability problem, and considers the common foundation treatment methods in port engineering. It can simulate the slope step loading on soft foundation and can calculate and analyze seepage field.