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Ancient trees is an important part of city greening, has the important scientific, historical and ornamental value. The traditional way of management uses artificial tree management, which is time-consuming, laborious, and prone to error. The use of computer networks can put all aspects of human, material and financial resources to fully unite, and then through division of labor, giving full play to the advantages of online, after being stored in the database, information resources collected are shared on the network, the traditional means of information processing and advanced computer network organically combined. Based on this concept and with the help of VS2010 and SQL Server 2008 tools, we can design the ancient trees management system, The existing basic information of old trees and the maintenance of information into the management mode is studied.The intelligent management based on B/S architecture is put forward, with the help of the browser to realize the multi platform access. Not only save time to improve efficiency, but also through the system of monitoring and early warning and other functions to effectively assist the staff to maintain and care of old trees, more efficient protection of our ancient trees resources. 