With the continuous development of the economy and societal progress, the economic census, as an important aspect of national statistical work, is directly influenced by the quality of grassroots infrastructure. This paper thoroughly discusses the importance of strengthening the statistical foundation to improve the efficiency of economic census work, analyzes the existing issues in current infrastructure and census processes, and proposes corresponding solutions. By enhancing the professional training of grassroots statisticians, updating data collection technologies, and optimizing workflows, the aim is to significantly improve the accuracy and efficiency of the economic census, providing strong support for the healthy development of the national economy and informed decision-making.