Objective To analyze the literature characteristics on environmental enrichment published in China, and provide reference for researchers.Methods The papers relevant to environmental enrichment published in CNKI database and Wanfang database were statistically analyzed from the aspects of publishing year, journal of publication, author, institution and subjects covered by the article with bibliometrics method. Results There were 422 papers published before Dec 31,2015, in which 273 papers published in 126 kinds of journals. The number of papers increased gradually, especially after 2006. The top 3 journals with the most articles published were Chinese Journal of Wildlife(28),Chinese Journal of Rehabilitation Medicine(15) and Chinese Journal of Behavioral Medicine and Brain Science(12). Xinqiao Hospital of TMMU and Fujian Medical University Union Hospital accounted for the top 2 total number of the papers, from which Yan-hui Chen and Cong-min Zhao published the more articles. Those papers covered 17 subjects, neurology, pathergasiology, biology and pediatrics were the main subjects. There were 3 kinds of animal that got enriched, the first was laboratory animals(69.6%), then zoo animals(22.9%),and farm animals(7.5%). Conclusions The research of environmental enrichment was relatively concentrated in terms of neurology and psychiatry. To improve animal welfare was mainly in the zoo animals; laboratory animal research in this direction was less.It is necessary to strengthen the work in this regard.