The new rural construction will involve many fields, such as the upgrade of the industrial structure of agriculture, the improvement of the efficiency in the use of agricultural resources, the increase of farmers’ income, maintaining sustainable agricultural development, and strengthening the construction of agricultural service system and circulation system. Finance, as the core of modern economy, should serve the new rural construction. However, there are many problems about the financial system in the rural area for a long time. So it is vital to build a good county financial eco-environment to promote the development of county financial systems and give full scope to the supporting function of finance. Only when we solve the problems in rural financial ecology and make clear the government’s function and activities, the county financial environment can function and be improved. Based on the reality of county economic development and starting from the connotation of county financial ecology, this paper analyzes the status quo of county financial eco-environment, especially the significance of optimizing the county financial eco-environment under the macroscopic background that the country proposed the socialist new rural reconstruction, and proposes the opinions and suggestions to construct and the maintain county financial eco-environment. The new rural construction will involve many fields, such as the the upgrade of the industrial structure of agriculture, the improvement of the efficiency in the use of agricultural resources, the increase of farmers’ income, maintaining sustainable agricultural development, and strengthening the construction of agricultural Finance, as the core of modern economy, should serve the new rural construction. However, there are many problems about the financial system in the rural area for a long time. So it is vital to build a good county. financial eco-environment to promote the development of county financial systems and give full scope to the supporting function of finance. Only when we solve the problems in rural financial ecology and make clear the government’s function and activities, the county financial environment can function and be improved. Based on the reality of county economic development and starting from the connotation of county finan cial ecology, this paper analyzes the status quo of county financial eco-environment, especially the significance of optimizing the county financial eco-environment under the macroscopic background that the country proposed the socialist new rural reconstruction, and proposes the opinions and suggestions to construct and the maintain county financial eco-environment.