Is Hefei subway discount card free?

It's free. According to the information about the Implementation Plan of Free Access to Public Transport and Tourist Attractions for Retired Soldiers and Other Special Care recipients in Hefei, since May 22, 2023, those who hold the Privilege Card for Retired Soldiers in People's Republic of China (PRC) and the Privilege Card for Survivors of Martyrs, Soldiers who died in the line of duty and deceased soldiers in People's Republic of China (PRC) can take public transport and rail transit for free in the administrative area of Hefei. And you can visit public cultural facilities such as municipal state-owned museums, memorial halls and art galleries, as well as parks, exhibition halls, scenic spots and historical sites and scenic spots that are subject to government pricing or guided price management without tickets, except for other charging items in scenic spots.