The Dong Nai Congress 2025-2030 application is a digital solution to support the organization of Congresses at all levels with many convenient features such as: scanning QR codes to take attendance, creating congresses, congress sessions and automatic seating arrangements, voting, accessing digital documents. In addition, the application is a tool to support the management of the organization of the Congress as well as the information, propaganda and communication channels between party members at the grassroots level. bringing convenience and tightness in the organization and operation of the Congress. The application also allows printing of the list of delegates, and provides updated information on past, present, and upcoming congresses.