he was born in August 1946 in the urban area of Shanwei City, Guangdong Province, China. He was appointed Professor of Mathematics in 1998. Now, he is the Director of the Institute of Applied Mathematics of Guangdong University of Education, and the PhD supervisor of the University Utara Malaysia. He has been devoted to basic and applied research on Summability, Operator Theory, and Analytic Inequalities for a long time. Over the past thirty years, he has developed and refined the theoretical framework of Yang-Hilbert-type inequalities, enhancing and promoting the classical Hardy-Hilbert inequality theory.