The design process of steam generators is complex and involves a significant workload for analysis and design. To streamline this process, we have developed stress calculation software for key parts of the steam generator. The software utilizes a combination of the Qt (C++) programming language and parametric design language (APDL). By automatically generating the APDL command flow file, the software calls ANSYS for background operations and displays the results in a cloud diagram. This approach simplifies the design process and ensures accuracy in stress calculations. The tool allows users to input relevant parameters and obtain accurate calculation results, greatly reducing the complexity of ANSYS usage and enhancing design efficiency.