China natural website request does not exist because the network is not smooth, the website is blocked and inaccessible, and the website is out of order. Check whether the network is unblocked. If the network is clear, you can change your browser or wait a while before re-entering. On February 1986, the State Council approved the establishment of the National Natural Science Foundation Committee. According to the principles, policies and plans of national science and technology development, the National Natural Science Foundation of China effectively utilizes the National Natural Science Foundation, supports basic research, insists on free exploration and plays a guiding role.