With nanning china-asean expo held annual arrival, nanning airport VIP generation task is arduous, each production security unit intercom communication has increased dramatically. In order to ensure the intercom communication stability, clear, nanning airport concentrated technical force to wireless communication network security work, strengthens to the airport in base station equipment, antenna, feeder for inspection and maintenance, and the radio communication system has been optimized, and also in nanning radio commission under the assistance of the interference situation, new machines spare frequency, for the successful completion of asean expo during the period of nanning airport scheduling communication security provides a strong support.