The “Code for Design of Concrete Structure”(GB50010-2010) has come into force recently since July 1,1. This paper introduced the main differences between the “Design code for hydraulic concrete structures”(GB50010-2010) and the “Code for design of concrete structures”(GB50010-2010) from calculating formulas, materials, general structural requirements and structural requirements and soon. The differences are analyzed between the two codes on formula of pressure calculation, formula of shear calculation, formula of crack width calculation, formula of deflection calculation, species of steel bar, concrete grade, environment type, concrete cover thickness, bar anchorage length, minimum reinforcement ratio and structural specifications.