1.Member of National Key Scientific Project Group “The General Theory of Partial Differential Equations” (Sponsored by the National Natural Science Foundation of China, from Jan. of 1991 - Dec. of 1995)

2. Member of National Key Scientific Project Group “The Modern Analysis Theory of Partial Differential Equations” (Sponsored by the National Natural Science Foundation of China, from Jan. of 1996 - Dec. of 2000)

3. Member of National Key Research 973 Grants (Sponsored by the National Ministry of Science and Technology of China, from Nov. of 1999 - Dec. of 2006).

4. National Excellent Young Scientist' Grants, (Sponsored by the National Natural Science Foundation of China, from Jan. 2001-Dec. 2004).

5. Member of National Key Scientific Project Group “Nonlinear Elliptic and Parabolic Partial Differential Equations” (Sponsored by the National Natural Science Foundation of China, from Jan. of 2007 - Dec. of 2010)