He has been engaged in the analysis, testing and applied research of atomic spectrum and plasma mass spectrometry for more than 30 years, and has been a visiting scholar in Japan, the United States and Belgium for cooperative research. His research direction is the application of trace and ultra-trace elements and speciation analysis in geosciences, environment and other fields, and he is the director of the technical method research room of the center. Presided over and participated in 5 projects of National Natural Science Foundation; 4 large-scale land, resources and geological survey projects; The Ministry of Science and Technology has three special topics on analysis and testing of new technologies and methods; 1 China-Belgium bilateral cooperation project; 2 scientific research projects of Chinese Academy of Geological Sciences. "Theory and Technology of Intelligent Atomic Spectroscopy Analysis" won the second prize of scientific and technological progress of the Ministry of Education of People's Republic of China (PRC) (1999); The national natural fund project "Application of Inductively Coupled Plasma Mass Spectrometry in the Analysis of High Purity Rare Earth" won the third prize (1998) of the Science and Technology Award (CAIA Award) of China Analysis and Testing Association. The project he presided over, "Study on the Application of New Techniques and Methods for Trace and Ultra-trace Element Analysis in Geological Survey", won the second prize of the Science and Technology Award of China Analytical Testing Association (CAIA Award) (2005).