Based on the connotation of green economy, an evaluation index system for the development level of green economy in the Yellow River Basin was constructed.The entropy method was used to measure the development level of green economy in the Yellow River Basin from 2011 to 2020, and the regression analysis was carried out with the Tobit model.?The results show that the green economy development level of the Yellow River Basin has been increasing year by year, and the green economy index of the lower reaches is always higher than that of the upper and middle reaches. While, there are regional differences among the nine provinces in the basin.?The level of economic development, industrial structure and scientific research investment promote the development level of green economy in the Yellow River Basin, and energy consumption inhibits the development level of green economy in the Yellow River Basin.