Under the tide of digital humanities, the Library actively participates in the research and practice. It has made considerable achievements. Based on the research documents collected by the CNKI and WOS database, this research reviews digital humanities in the field of Library Science. This article attempts to analyze the hot spots and development trends in order to gain a deeper understanding of research results and forecast the future research direction. The basic issues of digital humanities, library resources construction, library services and scientific research support. According to the analysis and discussion of the research and practice, the key points can be concluded to three parts, they are collaborative communication during country and domain, create good digital humanities atmosphere, carry out the research in an innovative way.