Aiming at the domestic operating system, this paper designed a thematic mapping method and mapping software system, which mainly includes several steps. Installing the drawing software system in the domestic operating system. Create thematic map making space. Establish a set of map symbols expressing elements. Establish and configure thematic map frame, and configure map coordinate system and scale. Establish the output template and decorate the elements outside the drawing. Configure output parameters and output high-resolution thematic map. Through the thematic map production method and software system based on the domestic operating system proposed in this paper, the production and output of thematic maps can be completed in the localization operating system environment, with the ability of map frame and external decoration, which solves the problem that common map mapping tools cannot complete the adaptation and deployment of the localization environment, and supplements the vacancy of the traditional thematic map method.