Nowadays, computer technology and network technology are constantly innovating, and the related information management system is becoming more and more mature. Therefore, it is necessary to combine the relevant national pension insurance policies, and use computer network technology under the management mode of the new system to establish a fair, just and open system. The old-age insurance system is convenient for insured personnel and managers to manage and inquire about old-age insurance information. Through a sound system and standardized management, work efficiency can be improved, so that the old can depend on and support the old. Combining the actual situation of current pension insurance intelligent management and risk management and control, this paper uses the relevant theoretical knowledge of software engineering to conduct a complete analysis and design of the development of the pension insurance information management and risk management and control system for land-expropriated persons. At the same time, taking this module as an example, it focuses on the development, design and implementation of the three-tier architecture model of the client, middleware, server-side business logic layer and data storage layer. Finally, the functional application display and testing of the system are given. According to the experimental verification, its development module has significantly improved the accuracy of risk management and control, and the standard error value has decreased by 3%.