In order to encourage and guide enterprises to further enhance their independent innovation ability, thus laying a solid foundation for optimizing China's industrial structure, promoting the transformation of economic development mode and speeding up the process of building an innovative country, China Institute of Industrial Economics comprehensively ranks enterprises' independent innovation ability based on the statistical data of scientific and technological activities of large and medium-sized industrial enterprises.
According to the goal of making enterprises' independent innovation ability "big" and "strong", and the principle of scientific and operability in setting the index system, China Institute of Industrial Economics has selected R&D (R&: D) 1 1 index, such as expenditure, the proportion of scientific and technological institutions' expenditure in enterprises' scientific and technological expenditure, the proportion of institutional scientific and technological personnel in enterprises' scientific and technological personnel, and R per 100 million yuan.