大数据是当前社会发展的高新技术,它在网络安全领域的应用价值也在不断凸显。本文将从网络信息安全保护的角度出发,科学分析网络流量元数据背景下网络流量分流平台的构建过程与元数据的处理过程。同时重点探讨安全大数据分析平台中大数据挖掘与关联的技术应用。 Big data is a high and new technology in current social development, and its value in the field of network security is also constantly emerging. In this paper, from the perspective of network information security protection, we will scientifically analyze the construction process of network traffic diversion platform and metadata process in the background of network traffic metadata. At the same time, it focuses on the technology application of big data mining and correlation in secure big data analysis platform.