National economy is a discipline in the category of applied economics of a comprehensive nature. It bases its research and development on the theoretical economics, finance, investment, industrial economy, regional economy, business administration, etc. It focuses on the solid theoretical basis, well-informed knowledge, and wider application and adaptation on the part of the candidates. The specific fields of study include national economic system, the plan and strategy of economic development, macro-economic policies, the management of national economy, investment, and economic restructuring, etc. It aims to impart the candidates the basics of economics and the knowledge in the management of national economy.