1, presided over the project: (1) The 5th/batch of postdoctoral funded project of China-Study on in vitro and in vivo antioxidant mechanism of Corynebacterium T3L 2012.4-2013.12 (2) Harbin Institute of Technology Study on the Mechanism of Regulating Macrophage Immune Response 20 1 3.1-2014.12 (3) Presided over the new teacher's fund project of doctoral program in colleges and universities-research on the anti-colon cancer effect of immunocompetent Lactobacillus in vitro and in vivo and its related mechanisms 2065436 participated in the project (/kloc-0) Sugar Industrialization Technology (200 1-2004) Academic Conference (1) Attended the Annual Meeting of Whistler Carbohydrate Center (West lafayette, USA) 200 10(2) Attended the 2009 International Annual Meeting of (American Association of Grain Chemists) (Baltimore, USA), Liu, Wang Wenhang. Inhibitory effects of cartilage polysaccharides with different molecular weights on K562 cells. Journal of Tianjin University of Science and Technology. September 2, 20061(3). 20-22., Liu, Jia,. Degradation of collagen by hydroxyl radical oxidation based on Fenton reaction. Journal of Tianjin University of Science and Technology. September 2, 20061(2),12-14., Liu Yujiang, Liu, Fan. Antibacterial effects of chitosan and N, O- carboxymethyl chitosan on Staphylococcus aureus.