Engineering ethics education is an indispensable part of higher engineering education reform. The research on engineering ethics education gets more attention under the background of emerging engineering education and the construction of beautiful China. Based on the knowledge graph, with the support of metrological visualization tool, this article analyzes 184 research articles collected in CNKI. Through documents co-citation network and keywords co-occurrence network, this paper points out the theoretical basis, hot topics and development trends in this domain and summarizes the features of domestic research. It has three features "seriously affected by policies" "gradually refined research content" and "imperfect curriculum education system and education method". Finally, this paper proposes some suggestion to facilitate the engineering ethics education in term of country society and universities.