The National Natural Science Foundation of China includes three grades: key, general and youth. National postdoctoral fund, Ministry of education fund, national joint fund. These will always have information on the website of China National Foundation. The provincial natural science fund is also divided into three grades: key, general and youth, as well as the provincial doctoral fund. Each province's funding is different, and these will be on the website of the provincial science and technology department. There are also funds funded by the Municipal Science and Technology Bureau, such as schools and colleges. The lower the level of funding units, the lower the natural funding. Generally speaking, the scientific research departments of various universities will inform you of the latest information in time. Of course, there are also corresponding social science funds. There are also some horizontal funds related to enterprises, mainly related to themselves or colleges.