A software process model fusion process model to improve the software development process. The fusion process model has five basic phases and a fusion process control and coordination of the whole development process. The fusion process model using the 3C model to summarize each stage of the problem solving process. 3C model, which helps to realize the developing method based on component, provides the control software development process of solid. The method of component driven by cost, risk and time related is finite element and ensure the overall quality of software system, reduce the development cost and time to consider changes in customer demand, risk assessment, identification, component development in every stage of the process of evaluation and related issues. We have implemented the design fusion process model of information system of the real world and evaluation of the implementation of the project to estimate the initial.