在网络快速发展的当今时代，人们对于网络数据使用的安全性提出了更高的要求，而网络可视化技术的出现 极大地满足了人们的需求。作为一种全新技术，其能够以强大的视觉处理能力对网络的异常情况进行深入分析和检测，进而 将网络体系中包括的多种态势通过可视化的方式展现给相关用户。本文主要对网络安全数据可视化自身具有的必要性、技术 方法和未来趋势进行深入分析。

With the rapid development of network, people put forward higher requirements for network security, The emergence of network visualization technology can meet the needs greatly. It can analyze and detect the abnormal situation of the network with strong visual ability, and show a variety of situation of the network system to users through the visualization way. This paper mainly analyzes the necessity, technical methods and future trend of network security visualization technology.