As a famous mass spectrometer and the director of Beijing Proteome Research Center, Professor Qin Jun boasts expertise in the fields of mass spectrometry instrument design, proteome research method progress and biological research, especially in DNA damage response, large-scale transcription regulation research, isolation and identification of endogenous proteins complex and identification of post-translational modifications. He claimed authorship on over 100 papers, and some were published on Cell, MolCell, Genes & Developments, etc.