With the frequent occurrence of network security incidents,it is of great practical significance to study and design a secure and reliable network security data storage system to solve the problem of network security data security.This article first analyzes the system requirements,which involve data security,data access control,data backup and recovery,and performance requirements.Based on this,the system design is carried out,including architecture design,data storage design,permission management design,and system security design.Finally,a network security data storage system that meets the requirements of backup and recovery,permission control,and security is successfully implemented,to provide users with efficient and secure data storage and management functions.