According to the power system planning problem of power flow and scale optimization, this paper designed and implemented a specific software solution. The solution can not only decouple the interface with the algorithm, but also introduce the concept of general algebraic modeling system to the construction of optimization model, which can realize the decoupling between the optimization model and data. The design idea makes the system has a high scalability, and suitable for the programming problems that are still in the development and improvement process, such as power flow and scale optimization problems.