In view of the shortage of airspace resources in the airport group of Guangdong-Hong Kong-Macao Greater Bay Area, the complex network analysis method was used to calculate all kinds of statistics index of the airport group and the air route network of the airport group through the establishment of the network model of the airport group of Guangdong-Hong Kong-Macao Greater Bay Area. The results show that: Guangzhou Baiyun Airport and Hong Kong International Airport are becoming more and more prominent in the airport group of Guangdong-Hong Kong-Macao Greater Bay Area; the domestic airline network radiated from the airport group has uneven regional distribution; The domestic airline network of airport group has the characteristics of small world and scale-free.