Abstract: The primary agricultural extension system is an important technical support for the development of modern agriculture, a strong power to promote the development of rural society and economy, and the main force in the construction of a new socialist countryside. In order to explore the development path of the basic level agricultural technology extension system, the summary has been made in the reform of Shaxian County Agricultural Technology Extension System in recent years, and the effectiveness of agricultural extension system. This article analyzes the existing problems in the reform process, and proposes to further improve the construction of basic level agricultural technology extension system in Shaxian County suggestions from the system functions, facilities, personnel, and service level etc..