Facing new boundary conditions such as distributed power， distributed storage， electric automobile scale access， and user demand side response， the functions and business transaction of the park gradually are developing in the direction of integration， and technology integration is the basis of achieving the above goals. A description is made of the overall line thought of the smart power distribution and utilization park integrated technology， and the specific integration method around the three aspects， viz. equipment and equipment， equipment and system， and system and system， is given. The park integrated information security problems are discussed. The proposed technology integration scheme will be applied in the China-Singapore Tianjin Eco-city.