Based on the essential scientific index database issued by the Institution of Scientific Information (ISI), the national and institutional distribution of nearly 250 top scientists in geosciences in past twenty years has been analyzed in the paper. Also, some top institutions ranking in geosciences by papers, citations and citations per paper from January 1993 to August 2004 are introduced briefly. The article selects 3 institution, describes in detail the general characteristics of these institutions. Suggestions relating to development of some institutions in China are put forward based on the result of our empirical analysis. 