Submerged plants are talented primary producers of urban wetlands, such as rivers and lakes, which can provide food and oxygen, purify water quality, and create green space. Based on the literature of submerged plant restoration from 1990 to 2019 collected by CNKI, this paper analyses the main research directions in this  eld by CiteSpace software that reveals the research hotspots and frontiers. It introduces the primary plants and the in uencing factors of plant restoration, to provide a reference for future research in related  elds.