Night market economy appears as an economic form when urban economy develops to a certain stage.The boom of night market economy is an objective reflection of major cities releasing consumption potential, transforming economic structure and seeking new economic growth points since 2019 in China. It is an important research program to increase internal circular economy and promote coordinated development of economy, society and environment.
How to promote the growth of internal circulation economy through night market economy, which forms a new development pattern with domestic major circulation as the main body and double circulation promoting between domestic and international.It is a kind of economic performance that Chinese mainland puts forward to develop diversified forms of business and rich experience at the present stage. This paper emphasizes on the analysis of the development of night market in Haikou city to find the development and correlation factors of internal circular economy.The thesis analyzes the case of the development and practice experience of Haikou night market economy in order to generalize night market economic model and business strategy implemented today. The study explores mutual impact between the night market economy and internal circular economy hoping to give references to government departments,enterprises and association in business upgrading and internal circular economy development. The findings will be adopted by Chinese mainland,which can offer a feasible path selection of new development patters in a more broad perspective building a unified big market for China.