介绍“十五”江西数字测震台网建设的基本情况，分析台站布局、观测动态范围和台基环境地噪声水平对台网地震监测能力的影响，阐述江西数字测震台网技术成果及所取得的社会经济效益。实现与邻省台网的联网与数据共享后,台网监测能力得到提高。

This paper introduced the basic condition of Jiangxi digital seismic station network construction in the “tenth five—year plan”，and analyzed the influence of the station distribution．observational dynamic range and the noise level of station base environment on earthquake—monitoring capability of seismic network．Monitoring capability of Jiangxi seismic network was further improved after the establishment of united seismic network and data sharing with adjacent provinces and local stations． this paper demonstrated the technical achievement，its economic returns， and social benefit of Jiangxi digital seismic network．