1. Preferential tax reduction policy. In order to promote enterprises to increase investment in technology research and development, the government has implemented preferential tax policies such as R&D expenses plus deduction and enterprise income tax halved, which has reduced the burden on enterprises and enhanced their technological innovation ability.

2. Government subsidies and incentives. The government encourages and supports enterprises to carry out technological research and development, and gives financial support and encouragement to outstanding scientific research units and talents through the establishment of special funds, technological innovation and other incentive policies, so as to enhance the enthusiasm and innovation ability of enterprises in technological innovation.

3. Scientific and technological innovation guidance. The government supports enterprises to carry out technical research and development cooperation, and through policy guidance, strengthen technical exchanges, form a good cooperative pattern of joint innovation between enterprises in the central region and large, medium and small enterprises, and realize the deep integration of Industry-University-Research.

The full implementation of R&D expenditure policy can effectively promote the increase of R&D investment of enterprises, improve their technological innovation ability and level, and promote the deep integration of Industry-University-Research, which is of great significance to the transformation and upgrading of enterprises and society and the sustainable development.

Data expansion:

R&D expenses refer to the expenses paid for the research and development of a project. China's relevant systems regulate R&D expenses from two aspects: Accounting Standards for Enterprises No.6-Intangible Assets and People's Republic of China (PRC) Enterprise Income Tax Law.

Accounting Standards for Business Enterprises No.6-Intangible Assets standardizes the methods of recognition, measurement, recording and reporting of R&D expenses from an accounting perspective. The Enterprise Income Tax Law of People's Republic of China (PRC) regulates the collection, amortization and deduction of taxable income of enterprises from the perspective of tax law.