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Active services is a promising technology and notion in relieving user from burdensome search for meaningful information, which is a problem becoming more serious for the information explosion on Internet and increasingly popular usage of wireless networks terminals. This paper presents a smart prototype for active service system which has a novel index tree-trace map model centralized, wireless networks environment based architecture. The prototype can automatically perceive user requirement by analyzing environment parameters and user information basing on preset rules and system knowledge of operation history, forwardly provide customized service for user. A well-operated experimental system is introduced here as well.