Abstract: Through the study of relevant literature, this paper finds that the research on "night economy" in China since the new century has the following characteristics:first, the research content mainly includes the historical review and Contemporary Observation of "night economy", concept and connotation, characteristics and forms, development motivation, function, existing problems and development countermeasures; second, most of the research objects are regional central cities City, lack of national level and small and medium-sized towns and the vast rural areas of research; third, the positive impact of "night economy", the impact of "night economy" on regional economy is more, but the negative impact of "night economy"", especially the social, environmental and cultural impact is less studied; fourth, the research perspective and research methods are relatively single There are more qualitative studies, less quantitative studies and interdisciplinary studies, especially the lack of research on big data, mathematical models and systems science and engineering. In the future, the research of "night economy" in China needs to be strengthened in the aspects of basic theory, subject perspective, research content, research methods and tools. In particular, it is necessary to put forward different development policies, countermeasures and measures for different regions, and write the research results of "night economy" on the land of China.