Whose function is to participate in and discuss state affairs?

The main body participating in and discussing state affairs is the CPPCC organization.

CPPCC is a patriotic United front organization, whose main functions are to participate in the discussion, political consultation and democratic supervision of state affairs, and its main actors are CPPCC organizations at all levels.

The China People's Political Consultative Conference is composed of Chinese production parties, democratic parties, Democrats without party affiliation, people's organizations and patriots from all walks of life.