1. Li Yining occupies an important position in the history of economic development in China. He is one of the founders of China's economics. In the late 1950s, after returning to China, he began to engage in economic research and became one of the representatives of a new generation of economists in China.
2. In the field of macroeconomics, Li Yining has made outstanding contributions. He has published a large number of academic papers and works, including Law of Value and Theory of Economic Cycle, General Law of Economic System in Capitalist Countries, etc.