The heterogeneous soil foundation is more and more commonly used in the port engineering.In view of the calculation of the bearing capacity of heterogeneous soil，we compare the methods with the original code (JTJ 250—1998) from the theoretical assumptions and calculation model to analyze the calculation formula and parameter in the Code for Soil Foundation of Port Engineering (JTS 147-1—2010).The influence of the hard upper soil layer on the calculations results by two methods is studied based on engineering examples.The conclusion can provide reference for related projects.