Business environment is an important soft power for a region to attract various economic factors and improve its comprehensive competitiveness. Starting from the connotation of business environment, an evaluation index system of business environment in Shaanxi Province is constructed,the development level of business environment is calculated based on the TOPSIS method of combined weighting, and Dagum Gini coefficient is used to analyze the regional differences. The results show that the overall business environment in Shaanxi Province is at a low level, and optimizing the market environment is the main factor to improve the business environment. From 2015 to 2020, the development level of business environment in Shaanxi Province has improved year by year, showing a development pattern of "high in the middle and low at both ends".There are serious regional differences in the development level of business environment, among which the gap between regions contributes the most. Therefore, it is necessary to fully consider the regional differences in the development of Shaanxi's business environment, explore a unique development path according to local conditions, promote the coordinated development of prefecture-level cities, and improve the business environment of Shaanxi Province.