3D printing has become a new technical trend in the domestic and international. The industrial powers one after another cultivate it as a new industry growth point. In this paper, we select 7288 3D printing research documents from China journal full-text database of CNKI, use SATI software to construct high frequency authors and high frequency keywords cocurrent matrix, and use SPSS and Ucinet software to carry out visual analysis. We obtain the development trend of the 3D printing technology in China and the four main research subjects and analyze the multidisciplinary research characteristics of 3D printing.