Prof. Chongyin LI, an academician of Chinese Academy of Sciences (CAS) and a well-known scientist in atmospheric science and climate dynamics, has been engaged in atmospheric science research all along in the Institute of Atmospheric Physics (IAP), CAS. He was the vice chairman of Academic Committee in the IAP/CAS (1988-2013), the chairman of Dynamical Meteorology Committee in the Chinese Meteorology Society (1987-2006), the vice president of the Chinese Meteorology Society (2007-2000), and the chairman of the Chinese Climate Research Committee (2004-2012). He also was the member of ICDM/IAMAS (1991-2002), the member of CLIVAR Scientific Steering Group/WCRP (1997-1999), the member of AAMP/CLVAR (1995-2001), and the member of ICCL (2003-2016). Prof. LI Chongyin has achieved systematic and innovative achievements in the frontier fields of atmospheric science and climate, such as in tropical meteorology, atmospheric low frequency oscillation and its dynamics, the sea-air interactions (ENSO cycle, IOD, and PIOAM), the typhoon dynamics, interdecadal climate variability, and climate variability.