Over the years, Heyuan Jiang, a researcher and doctoral supervisor of the Chinese Academy of Agricultural Sciences Tea Research Institute, has been mainly engaged in the chemistry of natural tea products and tea deep-processing technology. He has achievements in the green preparation technology of functional tea components, high-theaflavin instant black tea, preparation and acetylation of catechin monomer, classification of tea polysaccharide components, cosmetics containing tea, healthy food containing tea, processing of new tea products, etc. He has presided over the National Natural Science Foundation of China, the national 863 plan, national public welfare industry special projects, national transformation of agricultural scientific and technological achievements, key science and technology projects in Zhejiang Province, and so on. He has undertaken eleven enterprise projects, won five various science and technology awards, patented thirteen authorized inventions, and guided more than twenty postgraduate students.