In 1994, based on the experience of the Gulf War, the US Marine Corps established the world's first functional game military training institution, using functional games as an auxiliary means for military simulation training. After the explosive development of the Internet field at the turn of the century, functional games gradually expanded into the civilian field after 2006, playing an important role in education, medical care, transportation, emergency management, environmental protection, corporate management, cultural inheritance, etc., providing irreplaceable governance exercises and experience for government departments and social institutions in many countries to solve various problems in social public life.