The research direction is "research on the microecology of normal flora and its development and application": he presided over the major project of the Ministry of Health, "Study on the biological causes of Keshan disease", published more than 0 academic papers and monographs 1, and won the major scientific and technological achievement award of the Ministry of Health at the first National Science Conference1977; Mainly engaged in the research of the national natural science foundation project "microecology research of Bifidobacterium"; He presided over the major project of Sichuan Education Commission, "Study on the Production of Nutritional and Health Food by Bifidobacterium and Lactobacillus and Its Efficacy", and developed "Compound Bifidobacterium Soy Milk", which has been successfully developed and produced good social and economic benefits. It was listed as the health food of the Ministry of Health, the key recommended project of the torch plan of Chongqing and the State Science and Technology Commission, and the soybean action plan of the Ministry of Agriculture, and 1998 won the third prize of Chongqing Science and Technology Progress Award. Cooperating with enterprises, hosting the "Research on Bifidobacterium Fruit and Vegetable Drinks" and developing a series of fermented Bifidobacterium fruit and vegetable beverages can produce huge social and economic benefits and drive farmers to become rich. In 2005, he obtained the national invention patent. He presided over the "Research on Bosch Microbial Feed Additives" and developed a series of microbial additives that can make many animals gain weight, fatten and resist diseases. The above achievements have been appraised by experts as "reaching the domestic leading level", and more than 40 academic papers have been published.

In recent years, he has presided over the key project of Chongqing Science and Technology Commission (construction and application of Bifidobacterium chromosome integration plasmid vector), the major project of Nanning Science and Technology Commission (series of fluorescent quantitative PCR kits for early diagnosis of prenatal infection) and the school innovation fund project (construction of genetically engineered bacteria for phosphorus and nitrogen removal in urban sewage treatment; Bifidobacterium beer research) and other scientific research topics. Published more than 20 academic papers, many of which were included in American Chemical Abstracts; Deputy editor-in-chief, participating in the planning of teaching materials by the Ministry of Health. , has trained 1 1 master students and 10 master students, and will begin to recruit doctoral students in 2007. In 2004, he won the Excellent Postgraduate Tutor Award, and in 2005, he won the Excellent Master's Degree Thesis Award.