In recent years, the poor business environment in Northeast China has become a key factor restricting the regions economic development. Since the 18th National Congress of the Communist Party of China (CPC), in order to deepen the reform of administrative system and promote the transformation of government functions, China has pushed forward the reform of releasing management and providing services, which has optimised the local business environment to a certain extent. However, in some areas of Northeast China, such as Mudanjiang City, Heilongjiang Province, the reform of release of management and service to improve the business environment is not obvious. This paper analyses the effectiveness of the implementation of relevant policies to optimize the business environment in Mudanjiang City, summarizes the relevant reasons and puts forward recommendations, namely, from the deepening of the style of the organs to rectify the situation, the implementation of policies and measures, improve the business environment, and improve the business environment. This paper analyses the effectiveness of policy implementation from three aspects, i.e. deepening organ style rectification, comprehensive implementation of policies and measures, and perfecting enterprise landing environment, and seeks to improve the poor business environment in the northeast region from the policy area and achieve economic revitalisation.