In computer network system, due to expanding the application field of information storage, the network information resources increase rapidly, information transmitted through the network continues to grow. Network storage technology is becoming more and more important, it has become the key of the enterprise information construction. This article mainly analyzes the three kinds of network storage technology, namely SAN boot startup technology, storage virtualization technology, application performance extension technology. The solid-state disk technology and cloud storage technology are discussed emphatically. It has high reference value to the choice of network storage technology in the enterprise information construction.