March 29th, 2022. In the early 1980s, the National Natural Science Foundation was put forward by 89 academicians of the Chinese Academy of Sciences in a letter to the CPC Central Committee and the State Council, with the aim of promoting the reform of China's science and technology system and changing the allocation of scientific research funds. March 29th, 2022 is the time to apply for the Youth Program of the National Natural Science Foundation of China.