As an opening window of Dalian City, DLIA is regarded as one of the most important airport in Northeast of China. And it's also regarded as the important arterial airport and international scheduled flight airport. DLIA was established in 1972. After 27 years' development, DLIA has become a class 4E international airport. The length of the runway is 3300 meters. There equipped advanced air controlling, communication and navigation devices to ensure various large airplanes safe landing. The area of the terminal building covers 32,000 square meters; the area of the apron reaches 111,000 square meters. There are 23 airline agencies have been established in Dalian. Star Hotel, Duty Free Shop, Super Market, Dining Hall, Business Center and so on supply satisfied active service to the travelers from at home and abroad. There are 65 domestic air routes, 10 international air routes and 2 air routes to Hong Kong and Macao have been opened up. There is also irregular service to USA, Australia, Singapore, Russia respectively. The flight density has exceeded 680 per week and air transportation net covering domestic cities and Northeast of Asia has come into being. Thus, and air bridge of foreign communications and economic interchange has been established in Dalian. In 1999 the passenger transporting volume has reached 2,360,000 person-times, the volume of post and freight to 61,000 tons. The takeoff and landing number of flight adds up to 33,000 times. The passenger transporting volumes tops in Northeast of China.