Abstract: The Chinese ontology by setting the characteristic information reflects the unmanned air vehicles and the kernel techniques and background. The system just combines the Chinese ontology with information search technology, instructed the software to extract the admirable information from the massive and disordered information sea of the Web sites,then achicvs a clear and structural characteristic information and can make comparative analysis and graphical representation. The automatic evolution ontology and efficient matching model, humanized interaction interface, made the system can timely track the UAV development situation all over the world, and provided comprehensive and timely information for researchers. Based on the theory research and practice, the construction of the system and the innovative application of the ontology are provided.

Key words: Ontology, Catching Web page, Achieving information, Showing and anglicizing, Automatically evolve