System economics mainly studies the formation and evolution of economic systems and their value relationship with human needs. System economics has basically completed the construction of its theoretical framework, and a number of new results with mathematical forms have been obtained, forming a number of research topics that are comparable with the existing work in the world: Characteristic scale theory, system strategy theory (hierarchical strategy, critical strategy and systematic strategy), resource position theory, system property theory, system demand theory and institutional boundary theory, etc.
