Abstract: This paper aims at the progress and trends of open data research in China.The 1029 journal papers from 1996 to 2019 in CNKI full-text database are took as a sample using bibliometric methods.The publication time, authors, journals, institutions, and keywords are took as variables.The distribution characteristics, keyword co-occurrence, keyword clustering, and burst terms are analyzed by the Citespace V. It is found that the hotspots of open data research in China are reflected in government affairs, open science, and other applications.And the research fronts are mainly in government affairs and other emerging fields.

Key words: Open data, 　Research progress, 　Biblometric analysis, 　Open science, 　Government affairs