In those years the development of the network has already penetrated into every walk of life and it has already been the necessary dement of every facts. But at the same time, the network problem has become more and more prominent, such as resources distribution imbalance, the network environment, materialsloop delay, difficulties of resources and the environment, the shortage of energy which required for network, species biodiversity loss and so on. One of the reasons causing these problems is that the integrity of network ecosystem is low. This paper analyzes the concept and content of network ecosystem integrity and proposes approach to improve integrity of the network ecosystem.