Central financial allocation. The National Natural Science Foundation is mainly funded by the central government. The State encourages natural persons, legal persons or other organizations to donate to the National Natural Science Foundation. The central finance will include the funds of the National Natural Science Foundation in the budget. The funding work of the National Natural Science Foundation follows the principles of openness, fairness and justice, and implements the principles of respecting science, promoting democracy, advocating competition, promoting cooperation, encouraging innovation and leading the future.