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There is no format change for the National Natural Science Foundation of China text. Essay format refers to the style requirements and writing standards for essay writing. Intuitively speaking, the paper format is that the paper meets the standard style and content requirements that can be made public. Papers are commonly used to conduct scientific research and describe scientific research results. It is not only a means of exploring problems for scientific research, but also a tool for describing scientific research results for academic communication. It includes academic papers, graduation thesis, dissertation, scientific and technological papers, achievement papers, etc., collectively referred to as papers. The National Natural Science Foundation of China was proposed by 89 academicians (faculty members) of the Chinese Academy of Sciences in a letter to the Party Central Committee and the State Council in the early 1980s, in order to promote the reform of my country's science and technology system and change the method of scientific research funding allocation.