At present, China has a number of strong optical technology teams, including basic theories and applications, but there is no optical design CAD software can meet the lens design application in the market. After nearly 10 years of preparation and two years of concentrated project development, the project team has completed a highly integrated optical design software and named it CAXCAD. The software currently realizes the high-efficiency basic framework and the integration of multiple modules, in core ray tracing, geometric analysis and evaluation, FFT PSF MTF diffraction calculation, DLS optimization, merit function operands, multiple configuration, coordinate break off-axis simulation, etc.