Taking literature published in the 3 relevant journals of medical information science that are included in Social Science Citatation Index (SSCI) over the past 10 years as its study object, the paper carries out statistical analysis of such indexes as authors of literature, institutions,nations, cited journals, highly cited papers and keywords by making use of the CiteSpace tool to reveal authors whose literature is cited frequently, core teams, major study institutions and evolvement of study hotspots in the medical information science field and to provide references for researches in the realm.