Project introduction: Using the post-Expo exhibition design language and advanced display technology, with "past, present and future" as the logical main line, comprehensively display the development history of the public security organs in Guiyang. The upgraded version of the development plan is closely linked to the three-dimensional social security prevention and control system and the "block data command center". It displays the wisdom, great mind and courage of Guiyang Public Security for the people with sensibility, and builds a modern atmosphere with distinctive characteristics of Guiyang. Public Security Exhibition Center.