Beijing Capital International Airport is located in northeast of Beijing , capital of the People's Republic of China, and 25. 35km from the Tiananmen Square, to the north-east of the Beijing cit)t-center. It is not only an aviation gateway of Beijing and a window for international communication, but also a radial center for China civil aviation network, featured in a large-scale international airport, with most important location, biggest scale, fullest facilities and busiest transportation in China.

Beijing Capital International Airport is the only airport that consists of three terminal buildings in China. Beijing Airport was opened on March 2, 1958. The airport then consisted of one small terminal building, which still stands to this day, apparently for the use of VIPs and charter flights. On January l, 1980, a newer, larger building opened, with 60000 square meters of space, The terminal (Tl) was larger than the one in the 1950s, but by the mid-1990s, it was too small. Terminal 2 (T2) was officially opened on November l, 1999, with 336000 square meters of space. Terminal l was then closed for renovation after the opening of Terminal 2 and was reopened on September 20, 2004.

The third colossal expansion, including Terminal 3 (T3) , a third runway and a rail link to the city-center, was completed before August, 2008, in time for the Beijing Olympics. At its opening with a south-to-north length of 2900 meters, Terminal 3 was the largest man-made structure in the world in terms of area covered (986,000 m2 ) , and a major landmark in Beijing representing the growing and developing Chinese city. Fresh from hosting the 2008 0lympic Games and completion of its new terminal building, the Beijing Capital International Airport has overtaken Tokyo Haneda to be the busiest airport in Asia based on scheduled seat capacity.